Re: Link-layer security flaws

From: Phillip Vandry (vandryat_private)
Date: Thu Apr 29 1999 - 12:48:29 PDT

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    > 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
    



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