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North American Network Operators Group

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Re: Level3 routing issues?

  • From: michael
  • Date: Sat Jan 25 03:29:49 2003


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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