All DNS requests are done over UDP.  DNS only uses TCP for zone transfers.

--Jason

----- Original Message ----- 
From: "Darren Birkett" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, February 05, 2003 7:52 AM
Subject: [squid-users] Does squid use UDP or TCP for it's DNS requests


> hi i've got squid running between 2 firewalls - 1 internal to our
> intranet and 1 external to the internet.  I need to open up port 53 on
> the internal firewall to allow squids DNS requests to go to our internal
> DNS servers.  My question is - should I open UDP port 53 or TCP port 53?
> 
> Thanks
> -- 
>   Darren James Birkett
>   [EMAIL PROTECTED]
> 
> -- 
> http://fastmail.fm - Choose from over 50 domains or use your own
> 

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