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Title: ssl — TLS/SSL wrapper for socket objects — Python 3.14.2 documentation

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Description: Source code: Lib/ssl.py This module provides access to Transport Layer Security (often known as “Secure Sockets Layer”) encryption and peer authentication facilities for network sockets, both clien...

Open Graph Description: Source code: Lib/ssl.py This module provides access to Transport Layer Security (often known as “Secure Sockets Layer”) encryption and peer authentication facilities for network sockets, both clien...

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Links:

	https://www.python.org/
Table of Contents	https://docs.python.org/contents.html
ssl — TLS/SSL wrapper for socket objects	https://docs.python.org/library/ssl.html
Functions, Constants, and Exceptions	https://docs.python.org/library/ssl.html#functions-constants-and-exceptions
Socket creation	https://docs.python.org/library/ssl.html#socket-creation
Context creation	https://docs.python.org/library/ssl.html#context-creation
Exceptions	https://docs.python.org/library/ssl.html#exceptions
Random generation	https://docs.python.org/library/ssl.html#random-generation
Certificate handling	https://docs.python.org/library/ssl.html#certificate-handling
Constants	https://docs.python.org/library/ssl.html#constants
SSL Sockets	https://docs.python.org/library/ssl.html#ssl-sockets
SSL Contexts	https://docs.python.org/library/ssl.html#ssl-contexts
Certificates	https://docs.python.org/library/ssl.html#certificates
Certificate chains	https://docs.python.org/library/ssl.html#certificate-chains
CA certificates	https://docs.python.org/library/ssl.html#ca-certificates
Combined key and certificate	https://docs.python.org/library/ssl.html#combined-key-and-certificate
Self-signed certificates	https://docs.python.org/library/ssl.html#self-signed-certificates
Examples	https://docs.python.org/library/ssl.html#examples
Testing for SSL support	https://docs.python.org/library/ssl.html#testing-for-ssl-support
Client-side operation	https://docs.python.org/library/ssl.html#client-side-operation
Server-side operation	https://docs.python.org/library/ssl.html#server-side-operation
Notes on non-blocking sockets	https://docs.python.org/library/ssl.html#notes-on-non-blocking-sockets
Memory BIO Support	https://docs.python.org/library/ssl.html#memory-bio-support
SSL session	https://docs.python.org/library/ssl.html#ssl-session
Security considerations	https://docs.python.org/library/ssl.html#security-considerations
Best defaults	https://docs.python.org/library/ssl.html#best-defaults
Manual settings	https://docs.python.org/library/ssl.html#manual-settings
Verifying certificates	https://docs.python.org/library/ssl.html#verifying-certificates
Protocol versions	https://docs.python.org/library/ssl.html#protocol-versions
Cipher selection	https://docs.python.org/library/ssl.html#cipher-selection
Multi-processing	https://docs.python.org/library/ssl.html#multi-processing
TLS 1.3	https://docs.python.org/library/ssl.html#tls-1-3
socket — Low-level networking interface	https://docs.python.org/library/socket.html
select — Waiting for I/O completion	https://docs.python.org/library/select.html
Report a bug	https://docs.python.org/bugs.html
Show source	https://github.com/python/cpython/blob/main/Doc/library/ssl.rst?plain=1
index	https://docs.python.org/genindex.html
modules	https://docs.python.org/py-modindex.html
next	https://docs.python.org/library/select.html
previous	https://docs.python.org/library/socket.html
Python	https://www.python.org/
3.14.2 Documentation	https://docs.python.org/index.html
The Python Standard Library	https://docs.python.org/library/index.html
Networking and Interprocess Communication	https://docs.python.org/library/ipc.html
ssl — TLS/SSL wrapper for socket objects	https://docs.python.org/library/ssl.html
¶	https://docs.python.org/library/ssl.html#module-ssl
Lib/ssl.py	https://github.com/python/cpython/tree/3.14/Lib/ssl.py
optional module	https://docs.python.org/glossary.html#term-optional-module
Requirements for optional modules	https://docs.python.org/using/configure.html#optional-module-requirements
Security considerations	https://docs.python.org/library/ssl.html#ssl-security
Availability	https://docs.python.org/library/intro.html#availability
WebAssembly platforms	https://docs.python.org/library/intro.html#wasm-availability
ssl.SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
socket.socket	https://docs.python.org/library/socket.html#socket.socket
ssl.SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
SSLContext.wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
PEP 644	https://peps.python.org/pep-0644/
¶	https://docs.python.org/library/ssl.html#functions-constants-and-exceptions
¶	https://docs.python.org/library/ssl.html#socket-creation
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLContext.wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
create_default_context()	https://docs.python.org/library/ssl.html#ssl.create_default_context
¶	https://docs.python.org/library/ssl.html#context-creation
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
¶	https://docs.python.org/library/ssl.html#ssl.create_default_context
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
ssl	https://docs.python.org/library/ssl.html#module-ssl
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
SSLContext.load_verify_locations()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_verify_locations
None	https://docs.python.org/library/constants.html#None
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
OP_NO_SSLv2	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv2
OP_NO_SSLv3	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv3
SERVER_AUTH	https://docs.python.org/library/ssl.html#ssl.Purpose.SERVER_AUTH
verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
SSLContext.load_default_certs()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_default_certs
keylog_filename	https://docs.python.org/library/ssl.html#ssl.SSLContext.keylog_filename
create_default_context()	https://docs.python.org/library/ssl.html#ssl.create_default_context
VERIFY_X509_PARTIAL_CHAIN	https://docs.python.org/library/ssl.html#ssl.VERIFY_X509_PARTIAL_CHAIN
VERIFY_X509_STRICT	https://docs.python.org/library/ssl.html#ssl.VERIFY_X509_STRICT
RFC 5280	https://datatracker.ietf.org/doc/html/rfc5280.html
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
OP_NO_SSLv3	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv3
completely broken	https://en.wikipedia.org/wiki/POODLE
VERIFY_X509_STRICT	https://docs.python.org/library/ssl.html#ssl.VERIFY_X509_STRICT
RFC 5280	https://datatracker.ietf.org/doc/html/rfc5280.html
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
VERIFY_X509_PARTIAL_CHAIN	https://docs.python.org/library/ssl.html#ssl.VERIFY_X509_PARTIAL_CHAIN
VERIFY_X509_STRICT	https://docs.python.org/library/ssl.html#ssl.VERIFY_X509_STRICT
¶	https://docs.python.org/library/ssl.html#exceptions
¶	https://docs.python.org/library/ssl.html#ssl.SSLError
OSError	https://docs.python.org/library/exceptions.html#OSError
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
socket.error	https://docs.python.org/library/socket.html#socket.error
¶	https://docs.python.org/library/ssl.html#ssl.SSLError.library
¶	https://docs.python.org/library/ssl.html#ssl.SSLError.reason
¶	https://docs.python.org/library/ssl.html#ssl.SSLZeroReturnError
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
¶	https://docs.python.org/library/ssl.html#ssl.SSLWantReadError
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
non-blocking SSL socket	https://docs.python.org/library/ssl.html#ssl-nonblocking
¶	https://docs.python.org/library/ssl.html#ssl.SSLWantWriteError
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
non-blocking SSL socket	https://docs.python.org/library/ssl.html#ssl-nonblocking
¶	https://docs.python.org/library/ssl.html#ssl.SSLSyscallError
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
¶	https://docs.python.org/library/ssl.html#ssl.SSLEOFError
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
¶	https://docs.python.org/library/ssl.html#ssl.SSLCertVerificationError
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
¶	https://docs.python.org/library/ssl.html#ssl.SSLCertVerificationError.verify_code
¶	https://docs.python.org/library/ssl.html#ssl.SSLCertVerificationError.verify_message
¶	https://docs.python.org/library/ssl.html#ssl.CertificateError
SSLCertVerificationError	https://docs.python.org/library/ssl.html#ssl.SSLCertVerificationError
SSLCertVerificationError	https://docs.python.org/library/ssl.html#ssl.SSLCertVerificationError
¶	https://docs.python.org/library/ssl.html#random-generation
¶	https://docs.python.org/library/ssl.html#ssl.RAND_bytes
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
RAND_status()	https://docs.python.org/library/ssl.html#ssl.RAND_status
RAND_add()	https://docs.python.org/library/ssl.html#ssl.RAND_add
os.urandom()	https://docs.python.org/library/os.html#os.urandom
Cryptographically secure pseudorandom number generator (CSPRNG)	https://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator
¶	https://docs.python.org/library/ssl.html#ssl.RAND_status
ssl.RAND_add()	https://docs.python.org/library/ssl.html#ssl.RAND_add
¶	https://docs.python.org/library/ssl.html#ssl.RAND_add
RFC 1750	https://datatracker.ietf.org/doc/html/rfc1750.html
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
¶	https://docs.python.org/library/ssl.html#certificate-handling
¶	https://docs.python.org/library/ssl.html#ssl.cert_time_to_seconds
RFC 5280	https://datatracker.ietf.org/doc/html/rfc5280.html
¶	https://docs.python.org/library/ssl.html#ssl.get_server_certificate
SSLContext.load_verify_locations()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_verify_locations
PROTOCOL_SSLv3	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_SSLv3
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
¶	https://docs.python.org/library/ssl.html#ssl.DER_cert_to_PEM_cert
¶	https://docs.python.org/library/ssl.html#ssl.PEM_cert_to_DER_cert
¶	https://docs.python.org/library/ssl.html#ssl.get_default_verify_paths
SSLContext.set_default_verify_paths()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_default_verify_paths
named tuple	https://docs.python.org/glossary.html#term-named-tuple
¶	https://docs.python.org/library/ssl.html#ssl.enum_certificates
Availability	https://docs.python.org/library/intro.html#availability
¶	https://docs.python.org/library/ssl.html#ssl.enum_crls
Availability	https://docs.python.org/library/intro.html#availability
¶	https://docs.python.org/library/ssl.html#constants
enum.IntEnum	https://docs.python.org/library/enum.html#enum.IntEnum
enum.IntFlag	https://docs.python.org/library/enum.html#enum.IntFlag
¶	https://docs.python.org/library/ssl.html#ssl.CERT_NONE
SSLContext.verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
Security considerations	https://docs.python.org/library/ssl.html#ssl-security
¶	https://docs.python.org/library/ssl.html#ssl.CERT_OPTIONAL
SSLContext.verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_OPTIONAL	https://docs.python.org/library/ssl.html#ssl.CERT_OPTIONAL
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
SSLContext.load_verify_locations()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_verify_locations
¶	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
SSLContext.verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
SSLContext.load_verify_locations()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_verify_locations
¶	https://docs.python.org/library/ssl.html#ssl.VerifyMode
enum.IntEnum	https://docs.python.org/library/enum.html#enum.IntEnum
¶	https://docs.python.org/library/ssl.html#ssl.VERIFY_DEFAULT
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
¶	https://docs.python.org/library/ssl.html#ssl.VERIFY_CRL_CHECK_LEAF
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
SSLContext.load_verify_locations	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_verify_locations
¶	https://docs.python.org/library/ssl.html#ssl.VERIFY_CRL_CHECK_CHAIN
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
¶	https://docs.python.org/library/ssl.html#ssl.VERIFY_X509_STRICT
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
¶	https://docs.python.org/library/ssl.html#ssl.VERIFY_ALLOW_PROXY_CERTS
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
¶	https://docs.python.org/library/ssl.html#ssl.VERIFY_X509_TRUSTED_FIRST
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
¶	https://docs.python.org/library/ssl.html#ssl.VERIFY_X509_PARTIAL_CHAIN
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
¶	https://docs.python.org/library/ssl.html#ssl.VerifyFlags
enum.IntFlag	https://docs.python.org/library/enum.html#enum.IntFlag
¶	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
¶	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
¶	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
¶	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_SSLv23
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
¶	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_SSLv3
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
SSLContext.minimum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.minimum_version
SSLContext.maximum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.maximum_version
¶	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLSv1
¶	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLSv1_1
¶	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLSv1_2
¶	https://docs.python.org/library/ssl.html#ssl.OP_ALL
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv2
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv3
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_TLSv1
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
SSLContext.minimum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.minimum_version
SSLContext.maximum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.maximum_version
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_TLSv1_1
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_TLSv1_2
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_TLSv1_3
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_RENEGOTIATION
¶	https://docs.python.org/library/ssl.html#ssl.OP_CIPHER_SERVER_PREFERENCE
¶	https://docs.python.org/library/ssl.html#ssl.OP_SINGLE_DH_USE
¶	https://docs.python.org/library/ssl.html#ssl.OP_SINGLE_ECDH_USE
¶	https://docs.python.org/library/ssl.html#ssl.OP_ENABLE_MIDDLEBOX_COMPAT
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_COMPRESSION
¶	https://docs.python.org/library/ssl.html#ssl.Options
enum.IntFlag	https://docs.python.org/library/enum.html#enum.IntFlag
¶	https://docs.python.org/library/ssl.html#ssl.OP_NO_TICKET
¶	https://docs.python.org/library/ssl.html#ssl.OP_IGNORE_UNEXPECTED_EOF
¶	https://docs.python.org/library/ssl.html#ssl.OP_ENABLE_KTLS
¶	https://docs.python.org/library/ssl.html#ssl.OP_LEGACY_SERVER_CONNECT
¶	https://docs.python.org/library/ssl.html#ssl.HAS_ALPN
RFC 7301	https://datatracker.ietf.org/doc/html/rfc7301.html
¶	https://docs.python.org/library/ssl.html#ssl.HAS_NEVER_CHECK_COMMON_NAME
SSLContext.hostname_checks_common_name	https://docs.python.org/library/ssl.html#ssl.SSLContext.hostname_checks_common_name
¶	https://docs.python.org/library/ssl.html#ssl.HAS_ECDH
¶	https://docs.python.org/library/ssl.html#ssl.HAS_SNI
RFC 6066	https://datatracker.ietf.org/doc/html/rfc6066.html
¶	https://docs.python.org/library/ssl.html#ssl.HAS_NPN
Application Layer Protocol Negotiation	https://en.wikipedia.org/wiki/Application-Layer_Protocol_Negotiation
SSLContext.set_npn_protocols()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_npn_protocols
¶	https://docs.python.org/library/ssl.html#ssl.HAS_SSLv2
¶	https://docs.python.org/library/ssl.html#ssl.HAS_SSLv3
¶	https://docs.python.org/library/ssl.html#ssl.HAS_TLSv1
¶	https://docs.python.org/library/ssl.html#ssl.HAS_TLSv1_1
¶	https://docs.python.org/library/ssl.html#ssl.HAS_TLSv1_2
¶	https://docs.python.org/library/ssl.html#ssl.HAS_TLSv1_3
¶	https://docs.python.org/library/ssl.html#ssl.HAS_PSK
¶	https://docs.python.org/library/ssl.html#ssl.HAS_PHA
¶	https://docs.python.org/library/ssl.html#ssl.CHANNEL_BINDING_TYPES
SSLSocket.get_channel_binding()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_channel_binding
¶	https://docs.python.org/library/ssl.html#ssl.OPENSSL_VERSION
¶	https://docs.python.org/library/ssl.html#ssl.OPENSSL_VERSION_INFO
¶	https://docs.python.org/library/ssl.html#ssl.OPENSSL_VERSION_NUMBER
¶	https://docs.python.org/library/ssl.html#ssl.ALERT_DESCRIPTION_HANDSHAKE_FAILURE
¶	https://docs.python.org/library/ssl.html#ssl.ALERT_DESCRIPTION_INTERNAL_ERROR
RFC 5246	https://datatracker.ietf.org/doc/html/rfc5246.html
IANA TLS Alert Registry	https://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-6
SSLContext.set_servername_callback()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_servername_callback
¶	https://docs.python.org/library/ssl.html#ssl.AlertDescription
enum.IntEnum	https://docs.python.org/library/enum.html#enum.IntEnum
¶	https://docs.python.org/library/ssl.html#ssl.Purpose.SERVER_AUTH
create_default_context()	https://docs.python.org/library/ssl.html#ssl.create_default_context
SSLContext.load_default_certs()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_default_certs
¶	https://docs.python.org/library/ssl.html#ssl.Purpose.CLIENT_AUTH
create_default_context()	https://docs.python.org/library/ssl.html#ssl.create_default_context
SSLContext.load_default_certs()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_default_certs
¶	https://docs.python.org/library/ssl.html#ssl.SSLErrorNumber
enum.IntEnum	https://docs.python.org/library/enum.html#enum.IntEnum
¶	https://docs.python.org/library/ssl.html#ssl.TLSVersion
enum.IntEnum	https://docs.python.org/library/enum.html#enum.IntEnum
SSLContext.maximum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.maximum_version
SSLContext.minimum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.minimum_version
¶	https://docs.python.org/library/ssl.html#ssl.TLSVersion.MINIMUM_SUPPORTED
¶	https://docs.python.org/library/ssl.html#ssl.TLSVersion.MAXIMUM_SUPPORTED
¶	https://docs.python.org/library/ssl.html#ssl.TLSVersion.SSLv3
¶	https://docs.python.org/library/ssl.html#ssl.TLSVersion.TLSv1
¶	https://docs.python.org/library/ssl.html#ssl.TLSVersion.TLSv1_1
¶	https://docs.python.org/library/ssl.html#ssl.TLSVersion.TLSv1_2
¶	https://docs.python.org/library/ssl.html#ssl.TLSVersion.TLSv1_3
TLSVersion	https://docs.python.org/library/ssl.html#ssl.TLSVersion
TLSVersion.TLSv1_2	https://docs.python.org/library/ssl.html#ssl.TLSVersion.TLSv1_2
TLSVersion.TLSv1_3	https://docs.python.org/library/ssl.html#ssl.TLSVersion.TLSv1_3
¶	https://docs.python.org/library/ssl.html#ssl-sockets
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket
Socket Objects	https://docs.python.org/library/socket.html#socket-objects
accept()	https://docs.python.org/library/socket.html#socket.socket.accept
bind()	https://docs.python.org/library/socket.html#socket.socket.bind
close()	https://docs.python.org/library/socket.html#socket.socket.close
connect()	https://docs.python.org/library/socket.html#socket.socket.connect
detach()	https://docs.python.org/library/socket.html#socket.socket.detach
fileno()	https://docs.python.org/library/socket.html#socket.socket.fileno
getpeername()	https://docs.python.org/library/socket.html#socket.socket.getpeername
getsockname()	https://docs.python.org/library/socket.html#socket.socket.getsockname
getsockopt()	https://docs.python.org/library/socket.html#socket.socket.getsockopt
setsockopt()	https://docs.python.org/library/socket.html#socket.socket.setsockopt
gettimeout()	https://docs.python.org/library/socket.html#socket.socket.gettimeout
settimeout()	https://docs.python.org/library/socket.html#socket.socket.settimeout
setblocking()	https://docs.python.org/library/socket.html#socket.socket.setblocking
listen()	https://docs.python.org/library/socket.html#socket.socket.listen
makefile()	https://docs.python.org/library/socket.html#socket.socket.makefile
recv()	https://docs.python.org/library/socket.html#socket.socket.recv
recv_into()	https://docs.python.org/library/socket.html#socket.socket.recv_into
send()	https://docs.python.org/library/socket.html#socket.socket.send
sendall()	https://docs.python.org/library/socket.html#socket.socket.sendall
sendfile()	https://docs.python.org/library/socket.html#socket.socket.sendfile
os.sendfile	https://docs.python.org/library/os.html#os.sendfile
send()	https://docs.python.org/library/socket.html#socket.socket.send
shutdown()	https://docs.python.org/library/socket.html#socket.socket.shutdown
notes on non-blocking sockets	https://docs.python.org/library/ssl.html#ssl-nonblocking
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLContext.wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLContext.wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.read
SSLWantReadError	https://docs.python.org/library/ssl.html#ssl.SSLWantReadError
SSLWantWriteError	https://docs.python.org/library/ssl.html#ssl.SSLWantWriteError
non-blocking	https://docs.python.org/library/ssl.html#ssl-nonblocking
read()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.read
read()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.read
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.write
SSLWantReadError	https://docs.python.org/library/ssl.html#ssl.SSLWantReadError
SSLWantWriteError	https://docs.python.org/library/ssl.html#ssl.SSLWantWriteError
non-blocking	https://docs.python.org/library/ssl.html#ssl-nonblocking
write()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.write
write()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.write
read()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.read
write()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.write
SSLSocket.unwrap()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.unwrap
recv()	https://docs.python.org/library/socket.html#socket.socket.recv
send()	https://docs.python.org/library/socket.html#socket.socket.send
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.do_handshake
gettimeout()	https://docs.python.org/library/socket.html#socket.socket.gettimeout
check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
context	https://docs.python.org/library/ssl.html#ssl.SSLSocket.context
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.getpeercert
ValueError	https://docs.python.org/library/exceptions.html#ValueError
False	https://docs.python.org/library/constants.html#False
dict	https://docs.python.org/library/stdtypes.html#dict
RFC 3280	https://datatracker.ietf.org/doc/html/rfc3280.html
True	https://docs.python.org/library/constants.html#True
None	https://docs.python.org/library/constants.html#None
getpeercert()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.getpeercert
None	https://docs.python.org/library/constants.html#None
CERT_NONE	https://docs.python.org/library/ssl.html#ssl.CERT_NONE
CERT_OPTIONAL	https://docs.python.org/library/ssl.html#ssl.CERT_OPTIONAL
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
SSLContext.check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
ValueError	https://docs.python.org/library/exceptions.html#ValueError
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_verified_chain
get_unverified_chain()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_unverified_chain
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_unverified_chain
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.cipher
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.shared_ciphers
shared_ciphers()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.shared_ciphers
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.compression
OP_NO_COMPRESSION	https://docs.python.org/library/ssl.html#ssl.OP_NO_COMPRESSION
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_channel_binding
CHANNEL_BINDING_TYPES	https://docs.python.org/library/ssl.html#ssl.CHANNEL_BINDING_TYPES
RFC 5929	https://datatracker.ietf.org/doc/html/rfc5929.html
ValueError	https://docs.python.org/library/exceptions.html#ValueError
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.selected_alpn_protocol
SSLContext.set_alpn_protocols()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_alpn_protocols
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.selected_npn_protocol
SSLContext.set_npn_protocols()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_npn_protocols
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.unwrap
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.verify_client_post_handshake
SSLContext.post_handshake_auth	https://docs.python.org/library/ssl.html#ssl.SSLContext.post_handshake_auth
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
NotImplementedError	https://docs.python.org/library/exceptions.html#NotImplementedError
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.version
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.pending
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.context
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.server_side
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.server_hostname
str	https://docs.python.org/library/stdtypes.html#str
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.session
SSLSession	https://docs.python.org/library/ssl.html#ssl.SSLSession
do_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.do_handshake
¶	https://docs.python.org/library/ssl.html#ssl.SSLSocket.session_reused
¶	https://docs.python.org/library/ssl.html#ssl-contexts
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
[3]	https://docs.python.org/library/ssl.html#id9
[1]	https://docs.python.org/library/ssl.html#id7
[2]	https://docs.python.org/library/ssl.html#id8
[3]	https://docs.python.org/library/ssl.html#id9
[1]	https://docs.python.org/library/ssl.html#id7
[2]	https://docs.python.org/library/ssl.html#id8
1	https://docs.python.org/library/ssl.html#id2
2	https://docs.python.org/library/ssl.html#id5
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
OP_NO_SSLv2	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv2
1	https://docs.python.org/library/ssl.html#id3
2	https://docs.python.org/library/ssl.html#id6
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
OP_NO_SSLv3	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv3
1	https://docs.python.org/library/ssl.html#id1
2	https://docs.python.org/library/ssl.html#id4
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
create_default_context()	https://docs.python.org/library/ssl.html#ssl.create_default_context
ssl	https://docs.python.org/library/ssl.html#module-ssl
OP_NO_COMPRESSION	https://docs.python.org/library/ssl.html#ssl.OP_NO_COMPRESSION
OP_CIPHER_SERVER_PREFERENCE	https://docs.python.org/library/ssl.html#ssl.OP_CIPHER_SERVER_PREFERENCE
OP_SINGLE_DH_USE	https://docs.python.org/library/ssl.html#ssl.OP_SINGLE_DH_USE
OP_SINGLE_ECDH_USE	https://docs.python.org/library/ssl.html#ssl.OP_SINGLE_ECDH_USE
OP_NO_SSLv2	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv2
OP_NO_SSLv3	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv3
PROTOCOL_SSLv3	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_SSLv3
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.cert_store_stats
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_cert_chain
Certificates	https://docs.python.org/library/ssl.html#ssl-certificates
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_default_certs
SSLContext.set_default_verify_paths()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_default_verify_paths
Purpose.SERVER_AUTH	https://docs.python.org/library/ssl.html#ssl.Purpose.SERVER_AUTH
Purpose.CLIENT_AUTH	https://docs.python.org/library/ssl.html#ssl.Purpose.CLIENT_AUTH
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_verify_locations
verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_NONE	https://docs.python.org/library/ssl.html#ssl.CERT_NONE
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
Certificates	https://docs.python.org/library/ssl.html#ssl-certificates
OpenSSL specific layout	https://docs.openssl.org/master/man3/SSL_CTX_load_verify_locations/
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.get_ca_certs
False	https://docs.python.org/library/constants.html#False
SSLSocket.getpeercert()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.getpeercert
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.get_ciphers
SSLContext.set_ciphers()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_ciphers
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_default_verify_paths
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_ciphers
OpenSSL cipher list format	https://docs.openssl.org/master/man1/ciphers/
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
SSLSocket.cipher()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.cipher
set_ciphers()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_ciphers
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_alpn_protocols
RFC 7301	https://datatracker.ietf.org/doc/html/rfc7301.html
SSLSocket.selected_alpn_protocol()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.selected_alpn_protocol
NotImplementedError	https://docs.python.org/library/exceptions.html#NotImplementedError
HAS_ALPN	https://docs.python.org/library/ssl.html#ssl.HAS_ALPN
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_npn_protocols
Application Layer Protocol Negotiation	https://en.wikipedia.org/wiki/Application-Layer_Protocol_Negotiation
SSLSocket.selected_npn_protocol()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.selected_npn_protocol
NotImplementedError	https://docs.python.org/library/exceptions.html#NotImplementedError
HAS_NPN	https://docs.python.org/library/ssl.html#ssl.HAS_NPN
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.sni_callback
RFC 6066	https://datatracker.ietf.org/doc/html/rfc6066.html
ssl.SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
None	https://docs.python.org/library/constants.html#None
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
ssl.SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLSocket.context	https://docs.python.org/library/ssl.html#ssl.SSLSocket.context
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
SSLSocket.selected_alpn_protocol()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.selected_alpn_protocol
SSLSocket.context	https://docs.python.org/library/ssl.html#ssl.SSLSocket.context
SSLSocket.getpeercert()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.getpeercert
SSLSocket.get_verified_chain()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_verified_chain
SSLSocket.get_unverified_chain()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_unverified_chain
SSLSocket.cipher()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.cipher
SSLSocket.compression()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.compression
ALERT_DESCRIPTION_*	https://docs.python.org/library/ssl.html#ssl.ALERT_DESCRIPTION_INTERNAL_ERROR
ALERT_DESCRIPTION_INTERNAL_ERROR	https://docs.python.org/library/ssl.html#ssl.ALERT_DESCRIPTION_INTERNAL_ERROR
ALERT_DESCRIPTION_HANDSHAKE_FAILURE	https://docs.python.org/library/ssl.html#ssl.ALERT_DESCRIPTION_HANDSHAKE_FAILURE
NotImplementedError	https://docs.python.org/library/exceptions.html#NotImplementedError
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_servername_callback
sni_callback	https://docs.python.org/library/ssl.html#ssl.SSLContext.sni_callback
ALERT_DESCRIPTION_INTERNAL_ERROR	https://docs.python.org/library/ssl.html#ssl.ALERT_DESCRIPTION_INTERNAL_ERROR
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_dh_params
OP_SINGLE_DH_USE	https://docs.python.org/library/ssl.html#ssl.OP_SINGLE_DH_USE
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_ecdh_curve
OP_SINGLE_ECDH_USE	https://docs.python.org/library/ssl.html#ssl.OP_SINGLE_ECDH_USE
HAS_ECDH	https://docs.python.org/library/ssl.html#ssl.HAS_ECDH
SSL/TLS & Perfect Forward Secrecy	https://vincent.bernat.ch/en/blog/2011-ssl-perfect-forward-secrecy
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
SSLContext.sslsocket_class	https://docs.python.org/library/ssl.html#ssl.SSLContext.sslsocket_class
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SOCK_STREAM	https://docs.python.org/library/socket.html#socket.SOCK_STREAM
SSLError	https://docs.python.org/library/ssl.html#ssl.SSLError
ValueError	https://docs.python.org/library/exceptions.html#ValueError
SSLSocket.do_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.do_handshake
SSLSocket.do_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.do_handshake
True	https://docs.python.org/library/constants.html#True
False	https://docs.python.org/library/constants.html#False
session	https://docs.python.org/library/ssl.html#ssl.SSLSocket.session
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLContext.wrap_bio()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_bio
SSLContext.sslsocket_class	https://docs.python.org/library/ssl.html#ssl.SSLContext.sslsocket_class
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.sslsocket_class
SSLContext.wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_bio
SSLContext.sslobject_class	https://docs.python.org/library/ssl.html#ssl.SSLContext.sslobject_class
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
SSLContext.wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
SSLContext.sslobject_class	https://docs.python.org/library/ssl.html#ssl.SSLContext.sslobject_class
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.sslobject_class
SSLContext.wrap_bio()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_bio
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.session_stats
piece of information	https://docs.openssl.org/1.1.1/man3/SSL_CTX_sess_number/
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
SSLSocket.do_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.do_handshake
verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_OPTIONAL	https://docs.python.org/library/ssl.html#ssl.CERT_OPTIONAL
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_NONE	https://docs.python.org/library/ssl.html#ssl.CERT_NONE
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
CERT_NONE	https://docs.python.org/library/ssl.html#ssl.CERT_NONE
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_NONE	https://docs.python.org/library/ssl.html#ssl.CERT_NONE
ValueError	https://docs.python.org/library/exceptions.html#ValueError
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.keylog_filename
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.maximum_version
TLSVersion	https://docs.python.org/library/ssl.html#ssl.TLSVersion
TLSVersion.MAXIMUM_SUPPORTED	https://docs.python.org/library/ssl.html#ssl.TLSVersion.MAXIMUM_SUPPORTED
PROTOCOL_TLS	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
maximum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.maximum_version
minimum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.minimum_version
SSLContext.options	https://docs.python.org/library/ssl.html#ssl.SSLContext.options
OP_NO_TLSv1_2	https://docs.python.org/library/ssl.html#ssl.OP_NO_TLSv1_2
options	https://docs.python.org/library/ssl.html#ssl.SSLContext.options
maximum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.maximum_version
TLSVersion.TLSv1_2	https://docs.python.org/library/ssl.html#ssl.TLSVersion.TLSv1_2
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.minimum_version
SSLContext.maximum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.maximum_version
TLSVersion.MINIMUM_SUPPORTED	https://docs.python.org/library/ssl.html#ssl.TLSVersion.MINIMUM_SUPPORTED
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.num_tickets
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.options
OP_ALL	https://docs.python.org/library/ssl.html#ssl.OP_ALL
OP_NO_SSLv2	https://docs.python.org/library/ssl.html#ssl.OP_NO_SSLv2
SSLContext.options	https://docs.python.org/library/ssl.html#ssl.SSLContext.options
Options	https://docs.python.org/library/ssl.html#ssl.Options
SSLContext.minimum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.minimum_version
SSLContext.maximum_version	https://docs.python.org/library/ssl.html#ssl.SSLContext.maximum_version
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.post_handshake_auth
SSLContext.verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_OPTIONAL	https://docs.python.org/library/ssl.html#ssl.CERT_OPTIONAL
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
SSLSocket.verify_client_post_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.verify_client_post_handshake
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.protocol
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.hostname_checks_common_name
check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.security_level
security level	https://docs.openssl.org/master/man3/SSL_CTX_get_security_level/
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
VERIFY_CRL_CHECK_LEAF	https://docs.python.org/library/ssl.html#ssl.VERIFY_CRL_CHECK_LEAF
SSLContext.verify_flags	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_flags
VerifyFlags	https://docs.python.org/library/ssl.html#ssl.VerifyFlags
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_NONE	https://docs.python.org/library/ssl.html#ssl.CERT_NONE
CERT_OPTIONAL	https://docs.python.org/library/ssl.html#ssl.CERT_OPTIONAL
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
SSLContext.verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
VerifyMode	https://docs.python.org/library/ssl.html#ssl.VerifyMode
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_psk_client_callback
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
None	https://docs.python.org/library/constants.html#None
None	https://docs.python.org/library/constants.html#None
NotImplementedError	https://docs.python.org/library/exceptions.html#NotImplementedError
HAS_PSK	https://docs.python.org/library/ssl.html#ssl.HAS_PSK
¶	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_psk_server_callback
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
None	https://docs.python.org/library/constants.html#None
NotImplementedError	https://docs.python.org/library/exceptions.html#NotImplementedError
HAS_PSK	https://docs.python.org/library/ssl.html#ssl.HAS_PSK
¶	https://docs.python.org/library/ssl.html#certificates
RFC 1422	https://datatracker.ietf.org/doc/html/rfc1422.html
¶	https://docs.python.org/library/ssl.html#certificate-chains
¶	https://docs.python.org/library/ssl.html#ca-certificates
SSLContext.load_default_certs()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_default_certs
create_default_context()	https://docs.python.org/library/ssl.html#ssl.create_default_context
¶	https://docs.python.org/library/ssl.html#combined-key-and-certificate
SSLContext.load_cert_chain()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_cert_chain
¶	https://docs.python.org/library/ssl.html#self-signed-certificates
¶	https://docs.python.org/library/ssl.html#examples
¶	https://docs.python.org/library/ssl.html#testing-for-ssl-support
¶	https://docs.python.org/library/ssl.html#client-side-operation
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
verify_mode	https://docs.python.org/library/ssl.html#ssl.SSLContext.verify_mode
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
Security considerations	https://docs.python.org/library/ssl.html#ssl-security
¶	https://docs.python.org/library/ssl.html#server-side-operation
SSLContext.wrap_socket()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_socket
non-blocking mode	https://docs.python.org/library/ssl.html#ssl-nonblocking
¶	https://docs.python.org/library/ssl.html#notes-on-non-blocking-sockets
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLWantWriteError	https://docs.python.org/library/ssl.html#ssl.SSLWantWriteError
SSLWantReadError	https://docs.python.org/library/ssl.html#ssl.SSLWantReadError
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
SSLWantReadError	https://docs.python.org/library/ssl.html#ssl.SSLWantReadError
SSLWantWriteError	https://docs.python.org/library/ssl.html#ssl.SSLWantWriteError
SSLWantWriteError	https://docs.python.org/library/ssl.html#ssl.SSLWantWriteError
SSLWantReadError	https://docs.python.org/library/ssl.html#ssl.SSLWantReadError
select()	https://docs.python.org/library/select.html#select.select
select()	https://docs.python.org/library/select.html#select.select
select()	https://docs.python.org/library/select.html#select.select
select()	https://docs.python.org/library/select.html#select.select
poll()	https://docs.python.org/library/select.html#select.poll
selectors	https://docs.python.org/library/selectors.html#module-selectors
SSLSocket.do_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.do_handshake
select()	https://docs.python.org/library/select.html#select.select
asyncio	https://docs.python.org/library/asyncio.html#module-asyncio
non-blocking SSL sockets	https://docs.python.org/library/ssl.html#ssl-nonblocking
Streams API	https://docs.python.org/library/asyncio-stream.html#asyncio-streams
selectors	https://docs.python.org/library/selectors.html#module-selectors
SSLWantWriteError	https://docs.python.org/library/ssl.html#ssl.SSLWantWriteError
SSLWantReadError	https://docs.python.org/library/ssl.html#ssl.SSLWantReadError
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
¶	https://docs.python.org/library/ssl.html#memory-bio-support
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
socket.socket	https://docs.python.org/library/socket.html#socket.socket
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
socket.socket	https://docs.python.org/library/socket.html#socket.socket
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
¶	https://docs.python.org/library/ssl.html#ssl.SSLObject
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
wrap_bio()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_bio
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
context	https://docs.python.org/library/ssl.html#ssl.SSLSocket.context
server_side	https://docs.python.org/library/ssl.html#ssl.SSLSocket.server_side
server_hostname	https://docs.python.org/library/ssl.html#ssl.SSLSocket.server_hostname
session	https://docs.python.org/library/ssl.html#ssl.SSLSocket.session
session_reused	https://docs.python.org/library/ssl.html#ssl.SSLSocket.session_reused
read()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.read
write()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.write
getpeercert()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.getpeercert
get_verified_chain()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_verified_chain
get_unverified_chain()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_unverified_chain
selected_alpn_protocol()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.selected_alpn_protocol
selected_npn_protocol()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.selected_npn_protocol
cipher()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.cipher
shared_ciphers()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.shared_ciphers
compression()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.compression
pending()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.pending
do_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.do_handshake
verify_client_post_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.verify_client_post_handshake
unwrap()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.unwrap
get_channel_binding()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.get_channel_binding
version()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.version
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
MemoryBIO	https://docs.python.org/library/ssl.html#ssl.MemoryBIO
do_handshake()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.do_handshake
SSLEOFError	https://docs.python.org/library/ssl.html#ssl.SSLEOFError
unwrap()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.unwrap
SSLContext.set_servername_callback()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_servername_callback
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
SSLSocket	https://docs.python.org/library/ssl.html#ssl.SSLSocket
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
non-blocking	https://docs.python.org/library/ssl.html#ssl-nonblocking
read()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.read
SSLWantReadError	https://docs.python.org/library/ssl.html#ssl.SSLWantReadError
SSLObject	https://docs.python.org/library/ssl.html#ssl.SSLObject
wrap_bio()	https://docs.python.org/library/ssl.html#ssl.SSLContext.wrap_bio
MemoryBIO	https://docs.python.org/library/ssl.html#ssl.MemoryBIO
¶	https://docs.python.org/library/ssl.html#ssl.MemoryBIO
¶	https://docs.python.org/library/ssl.html#ssl.MemoryBIO.pending
¶	https://docs.python.org/library/ssl.html#ssl.MemoryBIO.eof
¶	https://docs.python.org/library/ssl.html#ssl.MemoryBIO.read
¶	https://docs.python.org/library/ssl.html#ssl.MemoryBIO.write
¶	https://docs.python.org/library/ssl.html#ssl.MemoryBIO.write_eof
write()	https://docs.python.org/library/ssl.html#ssl.MemoryBIO.write
eof	https://docs.python.org/library/ssl.html#ssl.MemoryBIO.eof
¶	https://docs.python.org/library/ssl.html#ssl-session
¶	https://docs.python.org/library/ssl.html#ssl.SSLSession
session	https://docs.python.org/library/ssl.html#ssl.SSLSocket.session
¶	https://docs.python.org/library/ssl.html#ssl.SSLSession.id
¶	https://docs.python.org/library/ssl.html#ssl.SSLSession.time
¶	https://docs.python.org/library/ssl.html#ssl.SSLSession.timeout
¶	https://docs.python.org/library/ssl.html#ssl.SSLSession.ticket_lifetime_hint
¶	https://docs.python.org/library/ssl.html#ssl.SSLSession.has_ticket
¶	https://docs.python.org/library/ssl.html#security-considerations
¶	https://docs.python.org/library/ssl.html#best-defaults
create_default_context()	https://docs.python.org/library/ssl.html#ssl.create_default_context
smtplib.SMTP	https://docs.python.org/library/smtplib.html#smtplib.SMTP
SSLContext.load_cert_chain()	https://docs.python.org/library/ssl.html#ssl.SSLContext.load_cert_chain
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
¶	https://docs.python.org/library/ssl.html#manual-settings
¶	https://docs.python.org/library/ssl.html#verifying-certificates
SSLContext	https://docs.python.org/library/ssl.html#ssl.SSLContext
CERT_NONE	https://docs.python.org/library/ssl.html#ssl.CERT_NONE
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
SSLSocket.getpeercert()	https://docs.python.org/library/ssl.html#ssl.SSLSocket.getpeercert
SSLContext.check_hostname	https://docs.python.org/library/ssl.html#ssl.SSLContext.check_hostname
CERT_REQUIRED	https://docs.python.org/library/ssl.html#ssl.CERT_REQUIRED
¶	https://docs.python.org/library/ssl.html#protocol-versions
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
PROTOCOL_TLS_SERVER	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_SERVER
PROTOCOL_TLS_CLIENT	https://docs.python.org/library/ssl.html#ssl.PROTOCOL_TLS_CLIENT
¶	https://docs.python.org/library/ssl.html#cipher-selection
SSLContext.set_ciphers()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_ciphers
cipher list format	https://docs.openssl.org/1.1.1/man1/ciphers/#cipher-list-format
SSLContext.get_ciphers()	https://docs.python.org/library/ssl.html#ssl.SSLContext.get_ciphers
¶	https://docs.python.org/library/ssl.html#multi-processing
multiprocessing	https://docs.python.org/library/multiprocessing.html#module-multiprocessing
concurrent.futures	https://docs.python.org/library/concurrent.futures.html#module-concurrent.futures
os.fork()	https://docs.python.org/library/os.html#os.fork
RAND_add()	https://docs.python.org/library/ssl.html#ssl.RAND_add
RAND_bytes()	https://docs.python.org/library/ssl.html#ssl.RAND_bytes
¶	https://docs.python.org/library/ssl.html#tls-1-3
SSLContext.set_ciphers()	https://docs.python.org/library/ssl.html#ssl.SSLContext.set_ciphers
SSLContext.get_ciphers()	https://docs.python.org/library/ssl.html#ssl.SSLContext.get_ciphers
SSLSocket.session	https://docs.python.org/library/ssl.html#ssl.SSLSocket.session
SSLSession	https://docs.python.org/library/ssl.html#ssl.SSLSession
socket.socket	https://docs.python.org/library/socket.html#socket.socket
socket	https://docs.python.org/library/socket.html#module-socket
SSL/TLS Strong Encryption: An Introduction	https://httpd.apache.org/docs/trunk/en/ssl/ssl_intro.html
RFC 1422: Privacy Enhancement for Internet Electronic Mail: Part II: Certificate-Based Key Management	https://datatracker.ietf.org/doc/html/rfc1422.html
RFC 4086: Randomness Requirements for Security	https://datatracker.ietf.org/doc/html/rfc4086.html
RFC 5280: Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile	https://datatracker.ietf.org/doc/html/rfc5280.html
RFC 5246: The Transport Layer Security (TLS) Protocol Version 1.2	https://datatracker.ietf.org/doc/html/rfc5246.html
RFC 6066: Transport Layer Security (TLS) Extensions	https://datatracker.ietf.org/doc/html/rfc6066.html
IANA TLS: Transport Layer Security (TLS) Parameters	https://www.iana.org/assignments/tls-parameters/tls-parameters.xml
RFC 7525: Recommendations for Secure Use of Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)	https://datatracker.ietf.org/doc/html/rfc7525.html
Mozilla’s Server Side TLS recommendations	https://wiki.mozilla.org/Security/Server_Side_TLS
Table of Contents	https://docs.python.org/contents.html
ssl — TLS/SSL wrapper for socket objects	https://docs.python.org/library/ssl.html
Functions, Constants, and Exceptions	https://docs.python.org/library/ssl.html#functions-constants-and-exceptions
Socket creation	https://docs.python.org/library/ssl.html#socket-creation
Context creation	https://docs.python.org/library/ssl.html#context-creation
Exceptions	https://docs.python.org/library/ssl.html#exceptions
Random generation	https://docs.python.org/library/ssl.html#random-generation
Certificate handling	https://docs.python.org/library/ssl.html#certificate-handling
Constants	https://docs.python.org/library/ssl.html#constants
SSL Sockets	https://docs.python.org/library/ssl.html#ssl-sockets
SSL Contexts	https://docs.python.org/library/ssl.html#ssl-contexts
Certificates	https://docs.python.org/library/ssl.html#certificates
Certificate chains	https://docs.python.org/library/ssl.html#certificate-chains
CA certificates	https://docs.python.org/library/ssl.html#ca-certificates
Combined key and certificate	https://docs.python.org/library/ssl.html#combined-key-and-certificate
Self-signed certificates	https://docs.python.org/library/ssl.html#self-signed-certificates
Examples	https://docs.python.org/library/ssl.html#examples
Testing for SSL support	https://docs.python.org/library/ssl.html#testing-for-ssl-support
Client-side operation	https://docs.python.org/library/ssl.html#client-side-operation
Server-side operation	https://docs.python.org/library/ssl.html#server-side-operation
Notes on non-blocking sockets	https://docs.python.org/library/ssl.html#notes-on-non-blocking-sockets
Memory BIO Support	https://docs.python.org/library/ssl.html#memory-bio-support
SSL session	https://docs.python.org/library/ssl.html#ssl-session
Security considerations	https://docs.python.org/library/ssl.html#security-considerations
Best defaults	https://docs.python.org/library/ssl.html#best-defaults
Manual settings	https://docs.python.org/library/ssl.html#manual-settings
Verifying certificates	https://docs.python.org/library/ssl.html#verifying-certificates
Protocol versions	https://docs.python.org/library/ssl.html#protocol-versions
Cipher selection	https://docs.python.org/library/ssl.html#cipher-selection
Multi-processing	https://docs.python.org/library/ssl.html#multi-processing
TLS 1.3	https://docs.python.org/library/ssl.html#tls-1-3
socket — Low-level networking interface	https://docs.python.org/library/socket.html
select — Waiting for I/O completion	https://docs.python.org/library/select.html
Report a bug	https://docs.python.org/bugs.html
Show source	https://github.com/python/cpython/blob/main/Doc/library/ssl.rst?plain=1
index	https://docs.python.org/genindex.html
modules	https://docs.python.org/py-modindex.html
next	https://docs.python.org/library/select.html
previous	https://docs.python.org/library/socket.html
Python	https://www.python.org/
3.14.2 Documentation	https://docs.python.org/index.html
The Python Standard Library	https://docs.python.org/library/index.html
Networking and Interprocess Communication	https://docs.python.org/library/ipc.html
ssl — TLS/SSL wrapper for socket objects	https://docs.python.org/library/ssl.html
Copyright	https://docs.python.org/copyright.html
History and License	https://docs.python.org/license.html
Please donate.	https://www.python.org/psf/donations/
Found a bug	https://docs.python.org/bugs.html
Sphinx	https://www.sphinx-doc.org/

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