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Re: external_acl_type helper and it's cache

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On 25/05/11 22:32, Rafal Zawierta wrote:
Hello,

Could anybody explain me how does work caching in external helper mechanism?

I use suiqd3 (3.1.6) on debian.

I've wrote simple helper - it make sql query to sqlide db - something like that:

helper.sh:
#!/bin/sh

while read a; do
x=`sqlite /etc/squid3/db.sql "select * from user where login=\"$a\";"`

if [ -n "$x" ] ; then
     echo 'OK'
    else
     echo 'Err'
    fi

That should be upper case 'ERR'.


And in squid.conf I have:
external_acl_type logins %LOGIN /opt/squid/helper.sh
acl logins_acl external login

And so on.

In general - it works fine. If someone is in my database - traffic is
allowed, if not - denied.
But when I make update into my database, I have to restart whole squid
to see changes. Is it possible to make it work without restarting
squid?

Configure the ttl= value for the lookup results to something less than an hour. http://www.squid-cache.org/Doc/config/external_acl_type/


Also, you may want to look at using the squid_db_auth helper installed with Squid. It can handle any database which perl has a DBI module for.
 http://www.squid-cache.org/Versions/v3/3.2/manuals/basic_db_auth.html


Amos
--
Please be using
  Current Stable Squid 2.7.STABLE9 or 3.1.12
  Beta testers wanted for 3.2.0.7 and 3.1.12.1


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