Re: Patches/Bugfix (SYN attack)

Alan Cox (alan@cymru.net)
Sat, 21 Sep 1996 13:13:44 +0100 (BST)


> The problem with kernel 2.0.20 is the fact that the kernel consumes
> extremely much load while it is attacked. (up to 10.0 - it can't even
> recognice a keypress)

Quite often you can't stop that. If you hit most PC's with say tulip cards
flat out at 100baseT even a pentium 133 near enough stops dead because
the network bus traffic about equals the ram bandwidth!)

> I suppose that the actual implementation of the timing code for the SYN
> timeout is too slow ?

It shouldn't be. Interesting. If you want to send me the code you use please
do.

Alan