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Topic: Squid reverse proxy and relative URL |
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Author |
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jnsunkersett
Joined: 30 Jan 2011 Posts: 23
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Posted: Thu 10 May '12 7:13 Post subject: Squid reverse proxy and relative URL |
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Hi,
The below is not related to Apache per se, so not sure if I am posting in the correct forum.
Beg your pardon (and approriate advice), if incorrect.
I have hosted a internet facing application.
I have a small issue in my production setup, in which I have used Squid Reverse proxy, to receive all requests coming from the internet.
In that, I have observed, I have to use fully qualifed URLs; I cannot use relative URLs.
Why?
Is this a must with squid reverse proxy?)
My prod setup, is as
(in DMZ) I use Squid 2.6 Stable 21, as a reverse proxy (RP) running on a Red Hat linux server
So all requests coming from the internet are resolved/ redirected/ forwarded to a web server (Apache HTTPD on a windows 2008).
Apache is further connected to JBoss (using AJP1.3)
In the squid RP config, is used
httpd_accel_host 10.0.1.9
So if client browses to https://www.mydomain.com, he hits my public IP, followed by squid RP which resolves/ forwards it to https://10.0.1.9/index.jsp; in which I do a relative redirecttion, viz.;
response.redirect("/landingPage.do");
which cannot be displayed to an external user as the fully qualified url is now;
https://10.0.1.9/landingPage.do
(squid access log, shows TCP_MISS/404)
So for a workaround, in my JSP, I do not use relative URLs but prefix the domain explicitly, viz.
response.redirect("https://www.mydomain.com" + "/landingPage.do");
* Is this a MUST?,
* or is something missing in my squid reverse proxy configuration?
PS: I do not face this issue in my UAT setup where I use Microsoft ISA as a reverse proxy server.
Any help will be greatly appreciated.
thanks in advance.
Jeevan |
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James Blond Moderator
Joined: 19 Jan 2006 Posts: 7360 Location: Germany, Next to Hamburg
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Posted: Tue 15 May '12 12:33 Post subject: |
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my pure guessing for a solution or workaround.
edit the /etc/hosts file on the linux machine add
10.0.1.9 www.yourdomain.com
and than in the squid config
httpd_accel_host www.yourdomain.com
this is quessing without knowing
However, you should use a tool like firebug to trace the redirects. a) from internal and b) from external and see which server (squid or apache or jboss) adds that IP infront of the redirect. |
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