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Author Topic: Prevent SYN attacks  (Read 2108 times)

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Prevent SYN attacks
« on: January 30, 2014, 09:29:37 pm »
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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