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From Matthias Leopold <>
Subject [users@httpd] ProxyPass ttl not working?
Date Wed, 27 Jul 2016 12:01:09 GMT

i'm reverse proxying from an apache 2.2 to an apache 2.4 server (both RHEL).
proxy VirtualHost is SSL (SSLProxyEngine On, SSLProxyVerify none)

on the proxy i'm seeing errors like

proxy: Error reading from remote server returned by xxx
(70014)End of file found: proxy: error reading status line from remote 
server xxx

which results in 502 errors for the client.

i can eliminate this with setting "disablereuse=on" in the ProxyPass 
line, but i think this shouldn't be necessary

i tried to set a ttl on the ProxyPass directive that is below the 
KeepAliveTimeout of the target server as mentioned in the docs

this simply doesn't work. above error reappears. i tried adding smax=0, 
no avail
what could i have missed?

my setting:

- reverse proxy (apache 2.2, prefork mpm)
TimeOut 180
KeepAliveTimeout 45

ProxyPass https://xxx ttl=20

- target server (apache 2.4, worker mpm)
TimeOut 60 (default)
KeepAliveTimeout 30


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