Admin-Ahead Community
Linux => General Linux => Topic started by: Aby on January 30, 2014, 09:29:37 pm
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Prevent SYN attacks
1. Enable SYN cookies mechanism in the server by the executing command:
# echo 1 > /proc/sys/net/ipv4/tcp_syncookies
2. Increase the backlog queue to 2048 by the command:
# sysctl -w net.ipv4.tcp_max_syn_backlog=”2048″
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