Bugtraq mailing list archives

Re: DDOS Attack Mitigation

From: alan () MANAWATU GEN NZ (Alan Brown)
Date: Tue, 15 Feb 2000 07:13:20 +1300


On Sun, 13 Feb 2000, Darren Reed wrote:

You know if anyone was of a mind to find someone at fault over this,
I'd start pointing the finger at ISP's who haven't been doing this
due to "performance reasons".


To be fair, if you do this on most terminal servers (eg, Cisco 5300, Max
4000), they will collapse under the load.

 They've had the ability to do it for
years and in doing so would seriously reduce the number and possibility
of "spoofing" attacks.


See above. Having enough CPU available to handle spoof filtering from
dialups adds a lot to costs and most ISPs simply can't afford to pay
more in order to be able to provide that benefit. :-(

AB

Current thread:

Re: 'cross site scripting' CERT advisory and MS, (continued)
- - - Re: 'cross site scripting' CERT advisory and MS Rishi Lee Khan (Feb 14)
    - Packet Tracing (linux klog patch) Dragos Ruiu (Feb 12)
    - Re: Packet Tracing (linux klog patch) Andrzej Bialecki (Feb 15)
    - Re: Packet Tracing (linux klog patch) Dragos Ruiu (Feb 17)
    - Re: Packet Tracing (linux klog patch) Andrzej Bialecki (Feb 17)
    - crash windows boxes on your local network (twinge.c) sinkhole () NILL NET (Feb 10)
    - Re: crash windows boxes on your local network (twinge.c) Elias Levy (Feb 14)
    - DDOS Attack Mitigation Elias Levy (Feb 11)
    - TESO - Nameserver traffic amplify and NS route discovery Sebastian (Feb 12)
    - Re: DDOS Attack Mitigation Darren Reed (Feb 13)
    - Re: DDOS Attack Mitigation Alan Brown (Feb 14)
    - Re: DDOS Attack Mitigation Darren Reed (Feb 14)
    - NetBSD Security Advisory 1999-012 Daniel Carosone (Feb 15)
    - Re: DDOS Attack Mitigation Chris Cappuccio (Feb 15)
    - Re: DDOS Attack Mitigation Carson Gaspar (Feb 15)
    - Re: DDOS Attack Mitigation John Edwards (Feb 15)
    - Re: DDOS Attack Mitigation Ryan Russell (Feb 16)
    - Administrivia Elias Levy (Feb 16)
    - Re: DDOS Attack Mitigation John Payne (Feb 14)
    - Re: DDOS Attack Mitigation Julien Nadeau (Feb 14)
    - Re: DDOS Attack Mitigation Bennett Todd (Feb 15)

(Thread continues...)