Re: SYN flood protection not working?

Ricardo Kleemann (
Tue, 19 Nov 1996 14:45:43 -0800

Is there a patch to apply? How do I protect my 2.0.x kernel from SYN

On Tue, 19 Nov 1996, Alan Cox wrote:

> > I'm using kernel 2.1.10... I tried syn flooding my telnet port, and it
> > still froze up, sending it as few as 10 packets/second. It would seem to
> > me that real syns are being dropped along with fake syns. How does the syn
> > flood protection work? Are the oldest un-acked syns being dropped? It
> > doesn't seem like this to me, because most real connections coming in
> > fail.
> Unless you have modified your inetd to use long socket queues it won't
> make any odds.
> Alan