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Title: appveyor: workaround for intermittent test failures by pks-t · Pull Request #4603 · libgit2/libgit2 · GitHub

Open Graph Title: appveyor: workaround for intermittent test failures by pks-t · Pull Request #4603 · libgit2/libgit2

X Title: appveyor: workaround for intermittent test failures by pks-t · Pull Request #4603 · libgit2/libgit2

Description: Our CI builds have intermittent failures in our online tests, e.g. with the message "A provided buffer was too small". This is not a programming error in libgit2 but rather an error in the SChannel component of Windows. Under certain circumstances involving Diffie-Hellman key exchange, SChannel is unable to correctly handle input from the server. This bug has already been fixed in recent patches for Windows 10 and Windows Server 2016, but they are not yet available for AppVeyor. Manually pamper over that issue by disabling all ciphersuites using DHE via the registry. While this disables more ciphers than necessary, we really don't care for that at all but just want to avoid build failures due to that bug. See [1], [2] or [3] for additional information. 1: aws/aws-sdk-cpp#671 2: dotnet/corefx#7812 3: https://support.microsoft.com/en-us/help/2992611/ms14-066-vulnerability-in-schannel-could-allow-remote-code-execution-n

Open Graph Description: Our CI builds have intermittent failures in our online tests, e.g. with the message "A provided buffer was too small". This is not a programming error in libgit2 but rather an error in th...

X Description: Our CI builds have intermittent failures in our online tests, e.g. with the message "A provided buffer was too small". This is not a programming error in libgit2 but rather an err...

Opengraph URL: https://github.com/libgit2/libgit2/pull/4603

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fbe52fa util: fix missing headers for MinGW environments pks-t Mar 29, 2018 https://github.com/libgit2/libgit2/pull/4603/commits/fbe52fa324c8afcc0955b63395ffe864096e3fe5
723e1e9 appveyor: disable DHE to avoid spurious failures pks-t Mar 29, 2018 https://github.com/libgit2/libgit2/pull/4603/commits/723e1e976d4a038d89940ecbcfb7ff685d204859
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