If the machine is "Internal Use Only" caching DNS, why does it even have a
public IP? It should not even need one.
 
Dan

  _____  

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Joe Wolf
Sent: Thursday, November 15, 2007 9:27 PM
To: Imail_Forum@list.ipswitch.com
Subject: [IMail Forum] OT: Bombarded by bad DNS queries


I know there are several people on this list that know DNS very well.  I
have a problem.
 
A very nice person (not) has published the IP Address of one of our DNS
servers as a nameserver for a bunch of porn sites.  
 
Example:  We run dns1.abcd.com on 1.1.1.1 and this guy has published
ns2.pornsite.com on our IP Address of 1.1.1.1  
 
Result is that our DNS server is being bombarded for queries about these
various porn sites.  None of the sites I've tested are actually up... just
names of porn sites.  Either way we're getting millions of DNS requests.
 
We really don't want to change the IP address of that server.
 
The guy who has done all of this is apparently in Russia.   He only knows a
few words in English and most are curses.
 
The queries come from millions of different IP Addresses so there's no way
to block them.
 
Anyone have any suggestions on how to force someone to clean up their DNS?
 
Thanks in advance,
-Joe

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