net.ipv4.tcp_rmem=8192 87380 16777216
net.ipv4.tcp_wmem=8192 65536 16777216
net.ipv4.tcp_max_syn_backlog=262144
net.ipv4.tcp_keepalive_time=180
net.ipv4.tcp_keepalive_intvl=10
net.ipv4.tcp_keepalive_probes=3
net.ipv4.tcp_fin_timeout=1
net.ipv4.tcp_synack_retries=1
net.ipv4.tcp_syn_retries=1
net.ipv4.tcp_syncookies=1
net.ipv4.tcp_timestamps=1
net.ipv4.tcp_tw_recycle=1
net.ipv4.tcp_tw_reuse=1
net.ipv4.tcp_max_tw_buckets=256000
net.ipv4.tcp_retries1=2
net.ipv4.tcp_retries2=3