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Re: configuring splash page

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On Tue, 2011-10-18 at 14:44 +0300, Alex F wrote:
> Hello,
> 
> I am trying to set up a splash page as an initial page, no matter what
> users request.
> Please note I am using Squid 3.2 with session helper 1.1 on debian 6.
> Following the examples from
> http://wiki.squid-cache.org/ConfigExamples/Portal/Splash I have
> managed to set up and get results with the first example.
> Scrolling down, there is the second example on how to enforce a check
> that the user did GET a specific page.
> I've got the following set up:
> __________
> external_acl_type session_LOGIN_master concurrency=100 ttl=2 %SRC
> /usr/local/squid3.2/libexec/ext_session_acl -T 30 -b
> /usr/local/squid3.2/lib/session.db -a
> acl session_LOGIN external session_LOGIN_master LOGIN
> 
> external_acl_type session_ACTIVE_master concurrency=100 ttl=2 %SRC
> /usr/local/squid3.2/libexec/ext_session_acl -T 30 -b
> /usr/local/squid3.2/lib/session.db -a
> acl session_is_ACTIVE external session_ACTIVE_master
> 
> acl A dstdomain 192.168.235.136
> acl B urlpath_regex /splash.html /check.html
> http_access allow A B

The above 2 rules do not appear to be used?

> 
> acl clicked_login_url url_regex -i http://192.168.235.136/check.html
> http_access allow clicked_login_url session_LOGIN

This all looks correct to me. However, I would run a test yourself from
a shell. Just run the session helper yourself from a command prompt and
enter the IP address of your computer to test it:

/usr/local/squid3.2/libexec/ext_session_acl -T 30 -b /usr/local/squid3.2/lib/session.db -a

Then type:

10 192.168.0.1 [change IP address as appropriate]

You should either get OK or ERR in response

> 
> http_access deny !session_is_ACTIVE
> deny_info http://192.168.235.136/splash.html session_is_ACTIVE
> __________
> 
> BTW, note that in the example page, at the "# If we get here, URL not
> present" section there is "http_access deny session_day
> !session_is_active" - session_day ACL does NOT exist  anywhere. May be
> a typo or something.

Yes, that's a typo. I'll correct that.

> I am failing to see what's wrong. Any idea is appreciated.

I suspect that the actual problem is a sync problem when running
multiple session helpers (they cache the database individually). This
problem is fixed with an upgrade to a newer Berkeley DB version in
version 1.2 of the session helper, currently waiting acceptance into
trunk. In the meantime the patch is available here:

http://www3.us.squid-cache.org/mail-archive/squid-dev/201110/0116.html

Andy




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