Re: syn flood attacked?
echo 1 > /proc/sys/net/ipv4/tcp_syncookies
to turn on syn cookie support once it's compiled into the kernel.
> 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 ;) )
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