Re: Firewall question

From: Jesper Skriver (harvest@wheel.dk)
Date: 03/15/03 

From: Jesper Skriver <harvest@wheel.dk>
Date: 15 Mar 2003 14:35:40 GMT

On Sat, 15 Mar 2003 14:26:57 -0000, Chris wrote:

> I agree. TCP 53 is only used for zone transfers between DNS servers,
> not DNS lookups.

Not correct, lookup's will fallback to TCP if the reply cannot fit a
single UDP packet.

> Besides, the mail server in question will only need to query MX
> records when sending out mail if not using a smart host. UDP 53 is all
> it needs.

See above. 

-- 
Jesper Skriver, CCIE #5456
 FreeBSD committer