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Re: Security problem in PPPoE connection

  • From: Steven M. Bellovin
  • Date: Sun Mar 12 14:51:50 2006 
On Sun, 12 Mar 2006 20:32:26 +0100
Florian Weimer <[email protected]> wrote:

> 
> * Joe Shen:
> 
> > What's your method to deal with such problem? Will
> > CHAP in PPPoE help?
> 
> AFAIK, CHAP does not authenticate the terminal server, either, so it
> won't stop all attacks.
> 
CHAP can be bidirectional.

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb