Re: Security problem in PPPoE connection

["Steven M. Bellovin" <smb () cs columbia edu>]

On Sun, 12 Mar 2006 20:32:26 +0100
Florian Weimer <fw () deneb enyo de> 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