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



Try to untick 'UDP protocol enforcement'  in 'Smart Defence' >>'DNS'

Best Regards

Ivan Chan

System & Network Consultant
(CA/PKI Processing Center)






-----Original Message-----
From: Mailing list for discussion of Firewall-1 [mailto:[email protected]]On Behalf Of Nico De Ranter
Sent: Tuesday, September 09, 2003 4:11 PM
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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