Security Incidents mailing list archives

RE: Odd entries in my Security Router logs


From: "Jim Terry" <jtixthus () excite com>
Date: Tue, 10 Dec 2002 05:22:37 -0500 (EST)



Hi Julian,

Can you post some of the router config- namely what logg commands, are you logging on your ACLs, and if you are logging 
on the ACLs can you post the ACL?

Thanks,

JT


Jim Terry --- On Mon 12/09, Julian Young  wrote:From: Julian Young [mailto: julian.young () nl compuware com]To: 
incidents@securityfocus.comDate: 09 Dec 2002 10:37:47 +0100Subject: Odd entries in my Security Router logsI keep seeing 
these entry in my external routers log files.  Does any
one recognize theme and know what type of attack they are. ok is
obviously something to do with DHCP.   but i recently had  a firewall 
compromised  and i still don't know how.  since that wall had dhcp open
I wounder if this could have been the trick. 

I has left the ip number as they are since none of them belong to me or
in any range i use ! 

#   Time        Packet Information                             
Reason            Action
  1|Dec  8 02 |From:192.168.7.249   To:192.168.255.254 |match          
|block  
   | 09:37:12 |UDP     src port:00068 dest port:00067  |service deny   
|      
  2|Dec  8 02 |From:192.168.8.250   To:192.168.255.254 |match          
|block  
   | 09:37:12 |UDP     src port:00068 dest port:00067  |service deny   
|      
  3|Dec  8 02 |From:192.168.7.249   To:192.168.255.254 |match          
|block  
   | 15:45:32 |UDP     src port:00068 dest port:00067  |service deny   
|      




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