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Re: Level3 routing issues?

  • From: Scott Granados
  • Date: Sat Jan 25 04:58:50 2003

also seeing some udp 6667 irc is usually tcp 6667 so this looks odd.

----- Original Message ----- 
From: "Todd A. Blank" <todd.blank@ipoutlet.com>
To: <scott@wworks.net>
Cc: <nanog@merit.edu>
Sent: Friday, January 24, 2003 11:10 PM
Subject: RE: Level3 routing issues?


> It's 1434 and I also see 137 138 551.  Big DDOS.  It's hitting
> everything on our network coming from lots of different places...
> 
> -----Original Message-----
> From: Scott Granados [mailto:scott@wworks.net] 
> Sent: Saturday, January 25, 2003 1:41 AM
> To: Alex Rubenstein
> Cc: hc; nanog@merit.edu
> Subject: Re: Level3 routing issues?
> 
> 
> We just had a box inside one of my customers networks start sending tons
> of small packets not sure what kind yet.
> 
> 
> 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.ht
> ml
> >
> >
> > We are seeing this on ports all across out network -- nearly 1/2 our
> ports
> > are in delta alarm right now.
> >
> > Anyone else?
> >
> > I will dig more to look at the traffic.
> >
> >
> >
> >
> > On Sat, 25 Jan 2003, hc wrote:
> >
> > >
> > > Anyone seeing routing problems with Level3 at this hour? I just
> > > witnessed tons of prefixes behind level3's network withdraw. Any
> > > information on what is happening (if you know) would be great.
> Thanks!
> > >
> > > -hc
> > >
> > >
> > >
> >
> > -- Alex Rubenstein, AR97, K2AHR, alex@nac.net, latency, Al Reuben --
> > --    Net Access Corporation, 800-NET-ME-36, http://www.nac.net   --
> >
> >
> >
> 
> 
> 




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