Messages in this thread | | | From | Alan Modra <> | Subject | Re: Possible DoS flaw in ppp | Date | Wed, 8 Apr 1998 21:42:42 +0930 (CST) |
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> > 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.
I've seen this sort of thing happen with linux<->sunos4.2, when using mtu=mru=1500. Always assumed it was due to dropped chars or something at the sunos end since the sparc serial port was only capable of 38k4.
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