Re: Size of Tasks during ddos

Mike Fedyk
2003-09-11T21:30:18Z

On Thu, Sep 11, 2003 at 10:26:19PM +0100, Alan Cox wrote:
> On Iau, 2003-09-11 at 22:23, Mike Fedyk wrote:
> > On Thu, Sep 11, 2003 at 07:41:10PM +0100, Alan Cox wrote:
> > > On Iau, 2003-09-11 at 18:27, Breno wrote:
> > > > This is a Syn Flood DDoS
> > >
> > > echo "1" >/proc/sys/net/ipv4/tcp_syncookies
> > >
> > > End of problem.
> >
> > And why isn't this on by default when it's compiled in?
>
> Syncookies protect you from DoS stuff but they have other side
> effects on efficiency when they are in use.

Care to point me to a thread in the archives? I'd like to read more about
this.