net.ipv4.tcp_fin_timeout = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_syncookies = 0
net.core.netdev_max_backlog = 1048576
net.core.somaxconn = 1048576
net.ipv4.tcp_max_syn_backlog = 1048576