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List:       suse-linux-uk-schools
Subject:    RE: [suse-linux-uk-schools] Tricky DNS Problems
From:       Chris Puttick <chris () centralmanclc ! com>
Date:       2003-03-12 8:22:54
[Download RAW message or body]

You lie to it...

If you put an entry in your DNS for smtp.freeserve.net CNAME
mail.ourschool.sch.uk, then your DNS server will return that information.
However, if your specific example is indicative of the others, then use the
hosts file on the local computer to get a similar result.

The webpages are best dealt with by Squid/Squidguard or similar. What does
your primary proxy do now?

Chris

-----Original Message-----
From: Rob Keeling
To: suse-linux-uk-schools@suse.com
Sent: 3/11/03 6:44 PM
Subject: [suse-linux-uk-schools] Tricky DNS Problems

I have currently got Bind 8 and dhcpd working on a suse 8.1 server.
 
All of our clients now use this machine as primary DNS.
 
The bind config is set to be authoritive for our own domain, and forward
all other requests up stream to
EMBC`s name servers.
 
What I now want to do is "poison" the DNS cache with various entries for
other (random) domain names.
 
eg My laptop wants to send email to smtp.freeserve.net, which is right
for home at school I need it to connect via our
school email server. If DNS returned our internal IP for
smtp.freeserve.net ..... problem solved!
 
I also want to divert various web pages so that I can add additional web
filtering to our system with out having to secondary proxy things.
 
How do I do this?
 
Rob Keeling
Network Manager
Queen Elizabeth`s Grammar School
 

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