René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Proxy dropping 'Location:' header","articleBody":"Proxy is not returning the `Location:` header from original server. This is especially important when following `301 Moved Permanently` redirects.\n\nFor example, requesting directly:\n\n```\ncurl -v http://www4.wiwiss.fu-berlin.de/bookmashup/persons/Tim+Berners-Lee\n\u003c HTTP/1.1 301 Moved Permanently\n\u003c Location: http://wifo5-03.informatik.uni-mannheim.de/bookmashup/persons/Tim+Berners-Lee\n```\n\nThrough proxy:\n\n```\ncurl -vk https://localhost:8443/proxy?uri=http%3A%2F%2Fwww4.wiwiss.fu-berlin.de%2Fbookmashup%2Fpersons%2FTim%2BBerners-Lee\n\n\u003c HTTP/1.1 301 Moved Permanently\n\u003c X-Powered-By: Express\n\u003c Vary: Origin\n\u003c Access-Control-Allow-Credentials: true\n\u003c Access-Control-Expose-Headers: User, Location, Link, Vary, Last-Modified, Content-Length\n\u003c Date: Wed, 17 Feb 2016 20:13:13 GMT\n\u003c Connection: keep-alive\n\u003c Transfer-Encoding: chunked\n\u003c\n```\n\nNote that `Location` is in the Expose-Headers, correctly, but not actually being returned.\n","author":{"url":"https://github.com/dmitrizagidulin","@type":"Person","name":"dmitrizagidulin"},"datePublished":"2016-02-17T20:17:10.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/253/node-solid-server/issues/253"}