tcp_fin_timeout
# echo 10 > /proc/sys/net/ipv4/tcp_fin_timeout
# vi /etc/sysctl.conf
#tcp fin timeout setting
net.ipv4.tcp_fin_timeout=10
tcp_tw_recycle
# echo 1 > /proc/sys/net/ipv4/tcp_tw_recycle
# vi /etc/sysctl.conf
#tcp tw_recycle setting
net.ipv4.tcp_tw_recycle=1
tcp_tw_reuse
# echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse
# vi /etc/sysctl.conf
#tcp_tw_reuse setting
net.ipv4.tcp_tw_reuse=1