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From Igor Cicimov <icici...@gmail.com>
Subject Re: [users@httpd] Apache 2.4.3: Reverse Proxy: Why jsessionid is embedded into URL path of first POST after brower's cookie is cleared
Date Wed, 23 Jan 2013 05:43:24 GMT
On Wed, Jan 23, 2013 at 3:53 PM, Kheng_Ee <kheng_ee_sim@yahoo.com> wrote:

> This is Apache 2.4.3 trace/log talking to Tomcat 6 using reverse proxy
> (ajp_proxy)
>
> [Wed Jan 23 14:43:58.464172 2013] [proxy_ajp:trace5] [pid 3989]
> ajp_header.c(598): [client 57.250.242.249:24921] ajp_unmarshal_response:
> Header[0] [Set-Cookie] = [JSESSIONID=3404058BD1B5FB200B52FA6DA48
> 8B343; Path=/dm; Secure], referer: http://xxx.com/ddd.html
>

This looks like the cookie (https one) is set by the backend server in the
response header, presumably Tomcat. Since you didn't mention what are you
proxy-ing to we can just guess. Also I'll guess that the backend server
receives the traffic on SSL port..


>
> [Wed Jan 23 14:43:58.465125 2013] [http:trace4] [pid 3989]
> http_filters.c(806): [client 57.250.242.249:24921]   Set-Cookie:
> JSESSIONID=3404058BD1B5FB200B52FA6DA488B343; Path=/dm; Secure, referer: ht
> tp://xxx.com/ddd.html
>
> [Wed Jan 23 14:44:02.194316 2013] [core:trace5] [pid 3989]
> protocol.c(627): [client 57.250.242.249:24921] Request received from
> client: POST /dm/dm.jsp;jsessionid=3404058BD1B5FB200B52FA6DA488B343
>  HTTP/1.1
>
> [Wed Jan 23 14:44:02.194953 2013] [http:trace4] [pid 3989]
> http_request.c(305): [client 57.250.242.249:24921]   Cookie:
> JSESSIONID=3404058BD1B5FB200B52FA6DA488B343, referer: https://xxx.com
> /dm/dm.jsp?language=En
>
> [Wed Jan 23 14:44:02.195547 2013] [core:trace3] [pid 3989] request.c(227):
> [client 57.250.242.249:24921] request authorized without authentication
> by access_checker_ex hook: /dm/dm.jsp;jsessionid
> =3404058BD1B5FB200B52FA6DA488B343, referer:
> https://xxx.com/dm/dm.jsp?language=En
>
> [Wed Jan 23 14:44:06.446938 2013] [http:trace4] [pid 3989]
> http_request.c(305): [client 57.250.242.249:24921]   Cookie:
> JSESSIONID=3404058BD1B5FB200B52FA6DA488B343, referer: http://xxx.com/
> ddd.html
>
> [Wed Jan 23 14:44:06.449677 2013] [proxy_ajp:trace5] [pid 3989]
> ajp_header.c(293): [client 57.250.242.249:24921] ajp_marshal_into_msgb:
> Header[7] [Cookie] = [JSESSIONID=3404058BD1B5FB200B52FA6DA488B343
> ], referer: http://xxx.com/ddd.html
>
> [Wed Jan 23 14:44:09.543835 2013] [http:trace4] [pid 3989]
> http_request.c(305): [client 57.250.242.249:24921]   Cookie:
> JSESSIONID=3404058BD1B5FB200B52FA6DA488B343, referer: https://xxx.com
> /dm/dm.jsp?language=En
>
> [Wed Jan 23 14:44:09.546812 2013] [proxy_ajp:trace5] [pid 3989]
> ajp_header.c(293): [client 57.250.242.249:24921] ajp_marshal_into_msgb:
> Header[7] [Cookie] = [JSESSIONID=3404058BD1B5FB200B52FA6DA488B343
> ], referer: https://xxx.com/dm/dm.jsp?language=En
>
>
>
>
>
> The steps taken to produce this log are :-
>
> 1) clear the cookies on the browser and restart browser.
> 2) Go link http://xxx.com/ddd.html (script on apache).  From the html, it
> is suppose to call "POST /dm/dm.jsp"
> However, for strange reason on protocol.c, this first attempt after the
> 'cookie is cleared on the browser" it is calling
> POST/dm/dm.jsp;jsessionid=3404058BD1B5FB200B52FA6DA488B343 instead and
> failed with error 404.
>

> 3) subseqent attempts, from the html.. it will call "POST /dm/dm.jsp"
> successfully.
>
>
> I wonder why after the browser's cookie is cleared, the first POST is
> embedded with jsessionid (failed)
> and subsequent POST is not embedded with jessionid (successful)
>

Would be useful if you send the appropriate snippets of your apache config
including the Proxy and VirtualHost (if any) sections and your backend
server settings, if Tomcat that would be the Connector sections.

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