[Techtalk] dansguardian, squid, smoothwall and transparent proxying

[conor.daly at cod.utvinternet.com]

Eeek!  Now that the kids are starting to want to go surfing, I'm working
on a dansguardian / squid setup for the HAN.  I'm running squid and
dansguardian on the internal server and smoothwall express on the
firewall.  I have both dans and squid working and dilligently blocking but
I have to manually configure the browsers {which the kids will
{eventually} manually _unconfigure_}.  To avoid this, I tried having
smoothwall do a transparent proxy thing.  I gave it the ip:port of the
internal dans server and told it it was transparent.  Now I get an "access
denied" message from squid for any web access.  I suspect it's the proxy
equivalent of a mail loop since it's only when I put the smoothwall proxy
bit in place that this happens.  

So, is there anything I can do to get smoothwall either 

1. Use my internal dans/squid proxy transparently
2. Block relevant ports outbound so that a manual proxy config will be
   needed.  

Smoothwall express doesn't seem to allow outbound blocking. 

Conor
-- 
Conor Daly <conor.daly at oceanfree.net>

Domestic Sysadmin :-)
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