limit_conn before SSL handshake
alan.hamlett at gmail.com
Mon Sep 9 22:43:10 UTC 2013
Currently the limit_conn and limit_conn_zone config options have this
context (can only be used inside these config scopes).
Those 2 configs have no way to prevent nginx from negotiating the SSL
handshake, since they only apply after nginx has a HTTP request.
This means the nginx server can become CPU bound by spending all it's time
in SSL only to have the request dropped by limit_conn.
How about making limit_conn and limit_conn_zone be applied before the SSL
handshake so precious CPU isn't spent negotiating an SSL session when the
connection limit will end up blocking the request anyway?
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