Re: [ILUG] Disadvantages of CNAMEs

From: Nick Murtagh (murtaghn at domain tcd.ie)
Date: Thu 11 Apr 2002 - 19:05:42 IST


On Thursday 11 April 2002 18:51, Paul Jakma wrote:
> We've got BIND servers as slaves to Win2k and vice versa.. no problems
> afaict.

I was doing something odd, but I can't remember what it was. w2k dns server
is dangerous though - there is a serious bug where it resets it's own
hostname after a reboot. Since we were using NAT, www.server.com was reset to
10.0.0.2 and once that propagated nobody could see our website... Site was
invisible for a day because of TTLs. Reported the bug to MS twice, never got
a reply. I cursed DNS that day...

> you think? how do you explain AXFR, NOTIFY and IXFR being part of the
> DNS protocol then? and the presence of the serial field...

Just because it's in the protocol doesn't mean it's a good idea, or necessary.

> > If the timestamp on data.cdb changes, the server reloads the data.
> > No restarts, nice and fast.
>
> and in the previous email you pointed out the use of the file's
> timestamp wasnt without problems.

That was my fault I think :)



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