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sh-3.2# scripts]# netstat -an|awk ‘/tcp/ {++S[$NF]}END {for (a in S) print a,S[a]}‘ TIME_WAIT 33 ESTABLISHED 70 LISTEN 13
sh-3.2# 5 scripts]# cat /etc/sysctl.conf|awk ‘/net.ipv4.tcp_syncookies|net.ipv4.tcp_tw_reuse|net.ipv4.tcp_tw_recycle|net.ipv4.tcp_fin_timeout/‘ net.ipv4.tcp_syncookies = 1
可见上面的/proc/sys/net/ipv4相关参数并没有设置：
修改如下：
[root@Salt85 scripts]# cat /etc/sysctl.conf|awk ‘/net.ipv4.tcp_syncookies|net.ipv4.tcp_tw_reuse|net.ipv4.tcp_tw_recycle|net.ipv4.tcp_fin_timeout/‘ net.ipv4.tcp_syncookies = 1 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_tw_recycle = 1 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_fin_timeout = 30
[root@Salt85 scripts]# netstat -an|awk ‘/tcp/ {++S[$NF]}END {for (a in S) print a,S[a]}‘ TIME_WAIT 1 ESTABLISHED 71 LISTEN 13
解决TIME_WAITE过多的问题
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原文地址：http://www.cnblogs.com/bass6/p/5841791.html
