apache reverse proxy: how to forward proxy server's HTTP_HOST

apache proxy reverse-proxy http-host
Ethan picture Ethan · Apr 14, 2012 · Viewed 8.5k times · Source

Our local development setup requires a box in the DMZ, and each developer has a line in its apache config for proxying. Looks something like:

ProxyPreserveHost on

ProxyPass /user1/ {user1's IP}
ProxyPassReverse /user1/ {user1's IP}

ProxyPass /user2/ {user2's IP}
ProxyPassReverse /user2/ {user2's IP}

#etc

Our public URLs become {DMZ server}/user1, {DMZ server}/user2, etc. The problem is that on the dev's boxes, the value of $_SERVER['HTTP_HOST'] is just {DMZ server}, without the user's subdirectory. The desired behavior is to have /user%/ as the real host name.

I've tried overriding the HOST var, and some rewrite rules, but nothing has worked.

Creating subdomains is not an option.

thank you for any help!

Answer

Dmitry Ovsyanko picture Dmitry Ovsyanko · Apr 23, 2012

http://httpd.apache.org/docs/2.0/mod/mod_proxy.html#proxypreservehost seems to be the answer.

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