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From "Pieter Vanmeerbeek" <>
Subject [users@httpd] Apache reverse proxy and connection keep alive
Date Tue, 27 Jun 2006 15:51:40 GMT

I'm using apache 2.0.53 as a reverse proxy for a simple html backend server.

Internet <-- http--> reverse proxy <--http--> server on lan

I was wondering how a connection keep alive can be activated for the
communication between the reverse proxy and server on lan. Is it just a
matter of adding an Connection: Keep-Alive header and ifso how do I do that?

In my config keepalive is activated (see below). I can see the keepalive on
the first connection (between internet and reverse proxy) while dumping,
however no connection header is added/used in the second connection (reverse
proxy towards server on lan).

Minimal Apache config : 
ServerRoot "/ub/pkg/httpd"
PidFile /var/run/
Timeout 300
KeepAlive On
MaxKeepAliveRequests 100
KeepAliveTimeout 15
LoadModule proxy_module       modules/
LoadModule proxy_http_module  modules/
LoadModule proxy_ftp_module   modules/

### Section 2: 'Main' server configuration
User sysdaemon
Group sysdaemon
UseCanonicalName Off
TypesConfig conf/mime.types
DefaultType text/plain
HostnameLookups Off

        ProxyRequests Off
        ProxyPreserveHost On
        # enable Reverse re-writing
        ProxyPass /
        ProxyPassReverse /
        # Logging
        TransferLog /data/system-logs/appfw/testkk/access/2006-06-27
        ErrorLog /data/system-logs/appfw/testkk/error/2006-06-27
        RewriteLog /data/system-logs/appfw/testkk/rewrite/2006-06-27
        RewriteLogLevel 9

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