Re: port issue with reverse proxy

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Mike Soultanian wrote:
Per my initial requirements, I was able to get reverse proxy working pretty well so my legacy web app sees every request originating from itself. To do this, I'm using the following:

proxyrequests off

NameVirtualHost *:80
NameVirtualHost myserver.tld:81

<VirtualHost *:80>
ProxyPass / http://myserver.tld:81/
ProxyPassReverse / http://myserver.tld:81/
</VirtualHost>

<VirtualHost myserver.tld:81>
DocumentRoot c:\inetpub\wwwroot
</VirtualHost>

The only problem now is that new links within the app are getting created with :81 appended to the URL. Unfortunately I can't change how the app works so I wanted to see if there is some way to report the port as 80 so subsequently selected links will be forced back through the first virtualhost like the initial request. Sound possible?

Hi.
(I'm no expert, just following this to try and understand it myself)
Looking at : http://httpd.apache.org/docs/2.2/mod/mod_proxy.html#proxypassreverse it seems to concern only HTTP re-direct headers, not links within the html pages themselves. Does your app really generate absolute links within the html response pages themselves ? I mean, if in your browser you get such a response page, and look at the html source of the page, do you really see links to "http://myserver.tld:81/...";, or are they more like "/something/something_else", or even relative like "images/img1.gif" ? If they are really absolute to "http://..";, then you might need the mod_proxy_html module, as also indicated in the above doc. section. But otherwise, maybe you are just being confused between what the browser does to interpret relative links and what the server actually does ?

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