# 套接字本端关闭, 这个参数决定了它在FIN-WAIT-2 状态的时间,默认60秒,这里调整为2
net.ipv4.tcp_fin_timeout = 2
# 开启重用 默认为0表示不开启,1为开启
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 0
# 表示当keepalive启用时, TCP发送keepalive消息的频度,默认是2小时,建议更改为10分钟"
net.ipv4.tcp_keepalive_time = 600
net.ipv4.ip_local_port_range = 4000 65000
net.ipv4.tcp_max_syn_backlog = 1024
net.core.somaxconn = 16384
net.core.netdev_max_backlog = 16384
net.ipv4.tcp_max_orphans = 16384
#表示内核放弃建立链接之前发送SYN包的数量,默认是6
net.ipv4.tcp_syn_retries = 1
#参数的值决定了内核放弃链接之前发送SYN+ACK包的数量,默认是2
net.ipv4.tcp_synack_retries = 1
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