Re: mod_proxy: ProxyPreserveHost omits start of proxied path

["ron.vandenbranden@home" <ron.vandenbranden@xxxxxxxx>]

Hi,

On 30/03/2012 11:01, Igor Cicimov wrote:

Have you actually read the mod_proxy documentation or you are just working with some example you found somewhere? If you read it you will find that you can use ! in the ProxyPass to exclude a path from the proxy.

Of course I have, but I don't think that's the issue: i do want to reverse proxy requests starting with /apps/. All works fine without ProxyPreserveHost:

  ProxyRequests	off
  ProxyPass            /apps/    http://localhost:8082/
  ProxyPassReverse    /apps/    http://localhost:8082/
  ProxyPassReverseCookiePath /apps/ /

Yet, switching ProxyPreserveHost on seems to make ProxyPassReverse to be ignored. Internal redirects end up without the /apps/ part, while it should be preserved. With ProxyPreserveHost, it's as if above ProxyPassReverse instructive is always interpreted as:

  ProxyPassReverse    /    http://localhost:8082/

...no matter what actual value is given in the first argument: all internal redirects inside the proxied app end up at the wrong path, e.g.: <http://mydomain/my_app/index.htm> instead of <http://mydomain/apps/my_app/index.htm>.

Unfortunately, some part of the proxied app needs access to the original host (http://mydomain/), instead of the proxied host (http://localhost:8082). That's what I understood ProxyPreserveHost was for, but it doesn't work completely as I'd expect, given the ProxyPass directive, and I don't see what causes this difference.

I want to seriously investigate and fix this issue and really appreciate your help. However, I'll be off-line for the next week, but will investigate further when I'm back from holiday.

Kind regards,

Ron