I've noticed similar errors many times and have experimented with
packet sniffing the offending traffic. MS's DNS server has some
serious problems with logging errors. In many cases the following
will occur:
1) bad dns request comes from x.x.x.x
2) local dns server passes bad request along to root name server
(or other authoritative dns server) y.y.y.y
3) y.y.y.y responds, question section still contains a copy of
the bad dns request.
4) local ms dns finally checks validity of request, logs error
as having come from y.y.y.y, _not_ x.x.x.x
When this happens packet sniffing is the only way I've found to
identify the actual offender.
-TOny
-----Original Message-----
From: Mike Tree [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, October 16, 2001 2:13 AM
To: MSWinNT Discussions
Subject: DNS problem
I asked this question a few weeks ago but nobody replied, so Ill try again
as the problem is happening again.
I get the following error in my Event log on my DNS servers
DNS Server encountered invalid domain name in packet from
195.66.240.130.Packet is rejected.
The IP addresses change, but I think they're all root nameservers.
The problem occurs for a few days producing dozens of errors & then stops
Anyone any ideas?
Mike Tree
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