feat(middleware): strip hop-by-hop headers before caching#808
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Connection-specific header fields (RFC 9110 §7.6.1) — Connection, Keep-Alive, Proxy-Authenticate, Proxy-Authorization, TE, Trailer, Transfer-Encoding, Upgrade — plus any field-names listed in the Connection header are removed before a response is stored, so one connection's framing/handshake is never replayed from cache to later clients. This matches Apache mod_cache. Removing these is a message transformation that does not change the content, so it is permitted even under Cache-Control: no-transform (RFC 9110 §7.7). Closes darkweak#807 Signed-off-by: Y.Horie <u5.horie@gmail.com>
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Connection-specific header fields (RFC 9110 §7.6.1) — Connection, Keep-Alive, Proxy-Authenticate, Proxy-Authorization, TE, Trailer, Transfer-Encoding, Upgrade — plus any field-names listed in the Connection header are removed before a response is stored, so one connection's framing/handshake is never replayed from cache to later clients. This matches Apache mod_cache.
Removing these is a message transformation that does not change the content, so it is permitted even under Cache-Control: no-transform (RFC 9110 §7.7).
Closes #807