North American Network Operators Group
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: Hard data on network impact of the "Code Red" worm?

  • From: Wojtek Zlobicki
  • Date: Mon Jul 30 14:10:38 2001 
Um .....  brain in SirCam Mode :)  Oops!!



----- Original Message -----
From: "Larry Sheldon" <[email protected]>
To: <[email protected]>
Cc: <[email protected]>
Sent: Monday, July 30, 2001 2:03 PM
Subject: Re: Hard data on network impact of the "Code Red" worm?


> > > Also, is it possible that the critter got through firewalls and "did
> > harm",
> > > but could not get back out again?  I don't know of any cases like
that.
> >
> > Well this just makes it a good idea to proxy outbound SMTP, just set up
an
> > access list for only allowing outbound TCP port 25 from certain hosts
> > (verified mail servers).
>
> Umm.....Code Red Worm is all HTTP--port 80, no?
>
> I disremember any SMTP -- port 25 involvement.
>
> --
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
> .                                                                       .
> - L. F. (Larry) Sheldon, Jr.                                            -
> . Unix Systems and Network Administration                               .
> - Creighton University Computer Center-Old Gym                          -
> . 2500 California Plaza                                                 .
> - Omaha, Nebraska, U.S.A.  68178       Two identifying characteristics  -
> . [email protected]                  of System Administrators:     .
> - 402 280-2254 (work)                Infallibility, and the ability to  -
> . 402 681-4726 (cellular)               learn from their mistakes.      .
> - 402 332-4622 (residence)                                              -
> . http://www.creighton.edu/~lsheldon    Adapted from Stephen Pinker     .
> -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-