Re: Link-layer security flaws

[vandry () MLINK NET (Phillip Vandry)]

> PPP's escape character is '~', and any occurences of this character
> must be escaped.  So, to double the effectiveness of a ping flood,
> pings can be filled with a tilde.  DoS

Note that this only applies to asynchronous HDLC like encapsulation for
PPP. With true HDLC, this attack will still do damage, but only to the tune
of a 12.5% degradation.

So it rarely has any effect except on the network edge where you might find
a modem.

-Phil