Firewall Wizards mailing list archives

Re: how to block ICMP tunneling?

From: carson () tla org
Date: Tue, 20 Jul 1999 13:28:46 -0400 (EDT)

"Chris" == Chris Brenton <cbrenton () sover net> writes:


Chris> For example source quench (type 4) is pretty useful and can keep you
Chris> from dropping packets. Without it, you may see a lot of hung
Chris> connections. 

Actually, source quench is deprecated, and many (most?) IP stacks ignore it.

-- 
Carson Gaspar -- carson () cs columbia edu carson () tla org carson () cugc org
http://www.cs.columbia.edu/~carson/home.html
Queen Trapped in a Butch Body

Current thread:

Re: how to block ICMP tunneling?, (continued)
- Re: how to block ICMP tunneling? Darren Reed (Jul 18)
  - Re: how to block ICMP tunneling? Sebastian Krahmer (Jul 19)
- Re: how to block ICMP tunneling? Ted Doty (Jul 18)
- Re: how to block ICMP tunneling? Adam Shostack (Jul 19)
  - BO2k : was (Re: how to block ICMP tunneling?) Jason Brvenik (Jul 20)
- RE: how to block ICMP tunneling? Jason Diesel (Jul 19)
  - RE: how to block ICMP tunneling? Kevin Steves (Jul 26)
- RE: how to block ICMP tunneling? Kyle Starkey (Jul 19)
  - Re: how to block ICMP tunneling? Joseph S D Yao (Jul 20)
  - Re: how to block ICMP tunneling? Chris Brenton (Jul 20)
    - Re: how to block ICMP tunneling? carson (Jul 21)
  - Re: how to block ICMP tunneling? Geva Patz (Jul 20)
- RE: how to block ICMP tunneling? Marcus J. Ranum (Jul 19)
- Re: how to block ICMP tunneling? Steven M. Bellovin (Jul 20)
- RE: how to block ICMP tunneling? Ben Nagy (Jul 20)
- Re: how to block ICMP tunneling? Ryan Russell (Jul 21)
  - Re: how to block ICMP tunneling? Dru (Jul 26)
- RE: how to block ICMP tunneling? Jason Diesel (Jul 21)
  - Re: how to block ICMP tunneling? Adam Shostack (Jul 23)
- RE: how to block ICMP tunneling? Marcus J. Ranum (Jul 23)
- Re: how to block ICMP tunneling? Sean Costello (Jul 29)

(Thread continues...)