nanog mailing list archives
Re: New Denial of Service Attack on Panix
From: Paul Ferguson <pferguso () cisco com>
Date: Wed, 18 Sep 1996 19:19:13 -0400
For what its worth, we are looking at this. - paul At 04:32 PM 9/17/96 -0700, Leonid Egoshin wrote:
From: "Forrest W. Christian" <forrestc () iMach com> 5 minute SYNS: 123423 5 minute SYN-ACKS: 50000 Then, if the ratio got too high, it can start yelping about "Potential SYN D-O-S Atttack in progress on Interface Serial 1"I suggest to check not only ratio (assymetric routing !), but high number of SYNs to single host. - Leonid Yegoshin, LY22
-- Paul Ferguson || || Consulting Engineering || || Reston, Virginia USA |||| |||| tel: +1.703.716.9538 ..:||||||:..:||||||:.. e-mail: pferguso () cisco com c i s c o S y s t e m s - - - - - - - - - - - - - - - - -
Current thread:
- Re: New Denial of Service Attack on Panix, (continued)
- Re: New Denial of Service Attack on Panix Paul Ferguson (Sep 18)
- Re: New Denial of Service Attack on Panix Jeff Young (Sep 18)
- Re: New Denial of Service Attack on Panix Guy T Almes (Sep 18)
- Re: New Denial of Service Attack on Panix Tim Bass (Sep 18)
- Re: New Denial of Service Attack on Panix Stan Barber (Sep 18)
- Re: New Denial of Service Attack on Panix Kent W. England (Sep 18)
- Re: New Denial of Service Attack on Panix Dan Ellis (Sep 18)
- Re: New Denial of Service Attack on Panix Tim Bass (Sep 21)
- Re: New Denial of Service Attack on Panix Paul Ferguson (Sep 18)
- Re: New Denial of Service Attack on Panix Leonid Egoshin (Sep 18)
- Re: New Denial of Service Attack on Panix Paul Ferguson (Sep 18)
- Re: New Denial of Service Attack on Panix Justin W. Newton (Sep 19)
- Re: New Denial of Service Attack on Panix Barry Caplin (Sep 20)
- Re: New Denial of Service Attack on Panix Kent W. England (Sep 19)
- Re: New Denial of Service Attack on Panix Hans-Werner Braun (Sep 21)
- Re: New Denial of Service Attack on Panix Tim Bass (Sep 21)
- Re: New Denial of Service Attack on Panix Hans-Werner Braun (Sep 21)
- Re: New Denial of Service Attack on Panix Michael Dillon (Sep 21)
- Re: New Denial of Service Attack on Panix Tim Bass (Sep 21)
- Re: New Denial of Service Attack on Panix Peter Dawe (Sep 22)
- Re: New Denial of Service Attack on Panix Brian Carpenter CERN-CN (Sep 22)
(Thread continues...)
- Re: New Denial of Service Attack on Panix Paul Ferguson (Sep 18)