Re: syn flood attacked?
On Fri, 17 May 2002, Michal Melewski wrote:
> > May 17 23:03:11 ms2 kernel: possible SYN flooding on port 25. Sending cookies.
> > Am I being syn flood attacked? How can I get rid of this?
> Hello
> In this case you are probably a target of a SYN Flood atack.
> What you have to do is to compile your kernel with option with
> protect_against_synflood (or something like this, but for sure in network
> submenu). Make sure to read the help for this option because compiling it into
> kernel isn't enough... (you have to issue a command
> echo 1 > /don't/remember/where ;) )
It is activated... it's called cookies, as show above. For more
informations, read this documentation:
http://cr.yp.to/syncookies.html
Eric
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