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squid_session(8)					      squid_session(8)

NAME
       squid_session - Squid session tracking external acl group helper

SYNOPSIS
       squid_session [-t idle_timeout] [-b dbpath] [-a]

DESCRIPTION
       This  helper maintains a concept of sessions by monitoring requests and
       timing out sessions if no requests have been seen for the idle  timeout
       timer.

       Intended use is for displaying "terms of use" pages, ad popups etc.

       -t idletimeout (default 3600)
	      Specifies the session idle timeout timer.

       -b dbpath
	      Path  to	persistent  database.  If  not	specified  the session
	      details will be kept in memory only and all sessions will	 reset
	      each time Squid restarts it's helpers (Squid restart or rotation
	      of logs).

       -a     Active mode. In this mode sessions are started by evaluating  an
	      acl  with	 the  argument	LOGIN,	or  terminated by the argument
	      LOGOUT.

       Without this flag the helper automatically starts the session after the
       first request.

EXAMPLE
       Configuration example using the default automatic mode

	      external_acl_type session ttl=300 negative_ttl=0 children=1 con‐
	      currency=200 %LOGIN /usr/local/squid/libexec/squid_session

	      acl session external session

	      http_access deny !session

	      deny_info http://your.server/bannerpage?url=%s session

       Then set up http://your.server/bannerpage to display a session  startup
       page  and then redirect the user back to the requested URL given in the
       url query parameter.

AUTHOR
       This helper and documentation was written  by  Henrik  Nordstrom	 <hen‐
       rik@henriknordstrom.net>

QUESTIONS
       Any  questions  on usage can be sent to Squid Users <squid-users@squid-
       cache.org>.

REPORTING BUGS
       Report bugs or bug-fixes to Squid Bugs <squid-bugs@squid-cache.org>  or
       ideas  for  new	improvements  to  Squid	 Developers  <squid-dev@squid-
       cache.org>

SEE ALSO
       squid(8)

Version 1.0			 19 March 2006		      squid_session(8)

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