kernel: possible SYN flooding on port 80. Sending cookies
1. sysctl -w net.ipv4.tcp_syncookies=1 #启用使用syncookiessysctl -w net.ipv4.tcp_synack_retries=1 #降低syn重试次数sysctl -w net.ipv4.tcp_syn_retries=1 #降低syn ...