RE: DNS Server dies after port 1434 attack
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 10 Dec 2003 18:24:41 -0600
Hi Glenn,
Did you install the rollup hotfix? That should take care of things.
HTH,
Tom
_____
From: Glenn Maks [mailto:gmaks@xxxxxxxxx]
Sent: Wednesday, December 10, 2003 3:10 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: DNS Server dies after port 1434 attack
http://www.ISAserver.org
Just an FYI to the group, My ISA also did the same but with published
FTP services.
-----Original Message-----
From: Robert Zeff [mailto:rzeff@xxxxxxxxxx]
Sent: Wednesday, December 10, 2003 9:22 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] DNS Server dies after port 1434 attack
http://www.ISAserver.org
I have another odd problem with ISA. I have a name server (IIS) on an
internal box that answers to 192.168.254.30 & 31
I am publishing this server on ISA for external ip addresses
xx.xx.xx.226 &
.227.
Every day or two, sometimes two weeks, one of the publishing rules
fails.
There are no errors, it just quits forwarding the request. It seems
like it
always happens after an attack on port 1434. From our logs:
12/10/2003, 1:28:59, 66.77.132.210, xx.xx.xx.253, Udp, 1034, 1434, -,
BLOCKED, xx.xx.xx.xx, -, -
12/10/2003, 1:30:30, 211.154.52.146, xx.xx.xx.228, Udp, 4529, 53, -,
BLOCKED, xx.xx.xx.xx, -, -
Any ideas?
Thanks,
-
Robert
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