Monday, September 17, 2007

enable syn_cookies

# echo 4096 > /proc/sys/net/ipv4/tcp_max_syn_backlog
# echo "net.ipv4.tcp_max_syn_backlog = 1" >> /etc/sysctl.conf
# echo 1 > /proc/sys/net/ipv4/tcp_syncookies
# echo "net.ipv4.tcp_syncookies =1 " >> /etc/sysctl.conf

1 comment:

brianoz said...

echo "net.ipv4.tcp_max_syn_backlog = 1" >> /etc/sysctl.conf

shouldn't that be "= 4096"??

The way it is a system could be mighty broken after reboot?