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Re: [FW-1] Attack Info: Badly formed DNS



Try disabling Force UDP in Smart Defense.



Regards

Neil Kemp
Security Consultant
Business Sense IT Ltd
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-----Original Message-----
From: Mailing list for discussion of Firewall-1
[mailto:[email protected]] On Behalf Of Nico De
Ranter
Sent: 09 September 2003 09:11
To: [email protected]
Subject: [FW-1] Attack Info: Badly formed DNS

Hi,

I have a NG FP3 firewall protecting the connection to the Internet.
It allows all outgoing traffic by default, however when my DNS servers
(running bind 9) try to lookup an address on the Internet it gets
blocked
by the firewall with a message stating

   Attack Info: Badly formed DNS

Any ideas why the firewall would block legitimate DNS traffic?

Nico

---------------------------------------------------------
 "It has been said that there are only two businesses that
  refer to customers as users: illegal drug trade and
               the computer industry."
---------------------------------------------------------
Nico De Ranter
Senior System Administrator
Sony Service Center (NSCE/VPE-B)
Sint Stevens Woluwestraat 55 (Rue de Woluwe-Saint-Etienne)
1130 Brussel (Bruxelles), Belgium, Europe, Earth
Telephone: +32 2 724 86 41 Telefax: +32 2 726 26 86

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