There is no reason that your cookie should be lost on it's way between the browser and the backend server. You do not need to do anything in particular to have the cookie forwarded to the application even when using rewrite rules for reverse proxying. Cookies are end-to-end headers and are not modified by Apache unless you do something peculiar in your configuration.
If the cookies are not included in requests from the browser, chances are that the browser does not send them. That can happen for several reasons:
1. The cookie domain does not match the domain of your site.
2. The cookie path does not match the path of the request.
3. The backend server does not set any cookies.
4. The secure cookie flag is set and the connection is not HTTPS.
You can check that by sniffing the HTTP exchanges between reverse proxy and backend server, or by using a browser tool like HTTPWatch.
-ascs
-----Original Message-----
From: Ranjan, Rajiv [mailto:Rajiv.Ranjan@xxxxxxxxxxxx]
Sent: Monday, July 18, 2005 1:50 PM
To: users@xxxxxxxxxxxxxxxx
Subject: RE: [users@httpd] Reverse proxing through apache where backend server users cookie authentication
Hi Boyle,
I added CO flag to my rewrite rule and checked in the browser to see if the cookies were created. They were not.
I am sending you the conf snippet I am using. Can you please tell where am I going wrong in it?
<VirtualHost <apache server ip:port>>
ServerName <apache server ip>
ProxyVia on
RewriteEngine on
RewriteLog logs/rajiv_rewrite.log
RewriteLogLevel 9
Redirect / http://<apache server ip:port >/wps/portal
RewriteRule ^/wps(.*)
http://<my backend server ip and port>%{REQUEST_URI}
/http/<apache server ip:port>/wps/portal/$1 [P,CO=JSESSIONID:%{HTTP_COOKIE}:<backend server domain, eg - .dev01.tesco.org>,CO=LtpaToken:%{HTTP_COOKIE}:.dev01.tesco.org]
</VirtualHost>
_Rajiv
-----Original Message-----
From: Boyle Owen [mailto:Owen.Boyle@xxxxxxx]
Sent: Monday, July 18, 2005 4:25 PM
To: users@xxxxxxxxxxxxxxxx
Subject: RE: [users@httpd] Reverse proxing through apache where backend server users cookie authentication
Plain text please...
The cookie is probably in the response so gets to the browser, but then does not get back to teh server via the RewriteRule.
I think you might have to copy the cookie explicitly. Check http://httpd.apache.org/docs-2.0/mod/mod_rewrite.html and look for "cookie" for details. Something like:
[CO=name_of_cookie:%{HTTP_COOKIE}:your_domain]
Rgds,
Owen Boyle
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-----Original Message-----
From: Ranjan, Rajiv [mailto:Rajiv.Ranjan@xxxxxxxxxxxx]
Sent: Montag, 18. Juli 2005 11:54
To: users@xxxxxxxxxxxxxxxx
Subject: [users@httpd] Reverse proxing through apache where backend server users cookie authentication
Hi Guys,
I am trying to use apache as my reverse proxy for my backend server which uses Cookie based authentication.
I am using mod_rewrite for the proxing part and am able to come till the login page.
But am unable to login to the system.
I suspect that it has something to do with the cookies not being reverse proxied or something.
I am using Apache 2..0.54 on a windows XP system.
Can anyone please tell me what probably could be the issue with my configuration?
Regards,
Rajiv.
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