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Subject: [Bug 57483] Omit "Keep-Alive" header on 1.1 connections
Date: Thu, 22 Jan 2015 12:49:39 +0000
Message-ID: <bug-57483-7868-EpjSGbyB2J@https.issues.apache.org/bugzilla/>
In-Reply-To: <bug-57483-7868@https.issues.apache.org/bugzilla/>
References: <bug-57483-7868@https.issues.apache.org/bugzilla/>
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https://issues.apache.org/bugzilla/show_bug.cgi?id=57483

--- Comment #2 from Yann Ylavic <ylavic.dev@gmail.com> ---
The Keep-Alive response header is a hint which may be used by browsers to
determine how many requests (max=) and how long connections (timeout=) will be
kept alive by the server.
It may prevent them from sending requests too late, so this is a valuable
information IMHO (I don't know if browsers use it though, but they ought
to...).

Indeed HTTP/1.1 does not define Keep-Alive as such, but says any header
Connection's token used as a header is hop-by-hop (ie. not forwardable and
possibly ignored if not understood), and so is Keep-Alive.

"Connection: keep-alive" is the default in HTTP/1.1, so it may not be needed
unless the header Keep-Alive is also there.

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