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North American Network Operators Group

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Re: Level3 routing issues?

  • From: william
  • Date: Sat Jan 25 05:31:07 2003

Really, really bad - most traffic I see is from this virus/dos:

Extended IP access list 152
    deny udp any any eq 1434 (5639464 matches) - 94%
    permit ip any any (311888 matches) - 6%

Wow!!!

On Fri, 24 Jan 2003 michael@aplatform.com wrote:

> 
> 
> Really bad.  Quick capture of filter drops:
> 
> PROTO 17 (UDP) pkt from (IP's from all over the world)/1033 to (All my IP
> space)/1434 dropped
> 
> On Sat, 25 Jan 2003, hc wrote:
> 
> >
> > Okay this is getting bad.. one of our routers just locked up from udp
> > 1434's. Can't even telnet to it now.
> >
> > -hc
> >
> > Joel Perez wrote:
> >
> > >My firewalls are going nuts with hits on UDP port 1434 also from
> > >everywhere!
> > >
> > >	-----Original Message-----
> > >	From: Aaron Burnett [mailto:listkeep@yet-another.com]
> > >	Sent: Sat 1/25/2003 1:19 AM
> > >	To: Alex Rubenstein
> > >	Cc: hc; nanog@merit.edu
> > >	Subject: Re: Level3 routing issues?
> > >
> > >
> > >
> > >
> > >
> > >	On Sat, 25 Jan 2003, Alex Rubenstein wrote:
> > >
> > >	>
> > >	>
> > >	> I dunno about that. But, I am seeing, in the last couple hours,
> > >all kinds
> > >	> of new traffic.
> > >	>
> > >	> like, customers who never get attacked or anything, all of a
> > >sudden:
> > >	>
> > >	>
> > >http://mrtg.nac.net/switch9.oct.nac.net/3865/switch9.oct.nac.net-3865.html
> > >	>
> > >	>
> > >	> We are seeing this on ports all across out network -- nearly 1/2
> > >our ports
> > >	> are in delta alarm right now.
> > >	>
> > >	> Anyone else?
> > >	>
> > >
> > >	Yep. Since about 12:30 am. Getting pounded on UDP port 1434 from
> > >all over
> > >	the world to any address on my network.
> > >
> > >
> > >
> > >
> > >
> >
> >





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