Re: Possible DoS flaw in ppp
Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 8 Apr 1998 11:47:58 +0100 (BST)
> Well, Linux can handle it, but sometimes the PPP link goes dead with all
> these fragment overlapping exploits. It's highly erratic, so I can't give
> much details, but it works upstream and downstream, resulting in possible
> DoS attacks. There is nothing in the log files and when you kill pppd and
> restart it, the link works again. Has anybody else experienced this? I run
> 2.0.33.
I've never seen this Linux<->Linux but I have reports of it Linux->TermServer
and it appears some terminal servers while they dont crash do basically
choke that port when processing weird frames. I have no good hard data
however.
Can you duplicate this linux-linux, does compression and vj affect the
behaviour.
Alan
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