DNS was [Gllug] IPSec

William Palfreman william at palfreman.com
Wed Feb 13 12:47:13 UTC 2002


On Tue, 12 Feb 2002, Tom Gilbert wrote:

> * Richard Cottrill (richard_c at tpg.com.au) wrote:
> > I'm curious; what's a 'large' DNS query? Is that where you store a HUGE
> > FQDN, or when you store other stuff in a DNS (like keys for IPSec)? Is it
> > only appropriate for lookups or for reverse lookups as well?
> >
> > Apart from name/IP data and IPSec stuff (which initially surprised me) what
> > else do people put in DNS? What are the limitations?
>
> The maximum DNS response packet size is 512 bytes afair.

For udp.  A tcp zone transfer could be much bigger, and I think
that is what meant here.  A huge query would by say when a sites main
slave host restarts and loads up the lot.

Bill.

-- 
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Tel: 0771 355 0354	PGP ftp://ftp.palfreman.com/pub/wfpkey.asc


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