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Re: syn flood attacked?



On Fri, May 17, 2002 at 04:38:24PM -0500, JonesMB wrote:
> >IIRC, you can also (at least in Debian) add the line 'syncookies=yes' to 
> >/etc/network/options.
> 
> after making this change, what service must I restart to make the change 
> take effect?

None, the changes are in kernel space.  Just make sure you 
echo 1 > /proc/sys/net/ipv4/tcp_syncookies
so the change will effect the running kernel.  Adding syncookies=yes to
/etc/network/options does that at boot time.

noah

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