说明：本优化适合apache，nginx，squid多种等web应用，特殊的业务也可能需要略作调整。 <>71;%e;'  
Z%4w{T+[  
wdMVy=SS  
复制代码 `
z1E]{A  
[root@c64 ~]# vi /etc/sysctl.conf VRQD  
#by sun in 20131001 Ljs4^vy<J  
net.ipv4.tcp_fin_timeout = 2 opIbs7k-  
net.ipv4.tcp_tw_reuse = 1 T*1`MIkv  
net.ipv4.tcp_tw_recycle = 1 ;!:@3c  
net.ipv4.tcp_syncookies = 1 [
}Z!hq  
net.ipv4.tcp_keepalive_time =600 hi0-Sw  
net.ipv4.ip_local_port_range = 4000    65000 d`sIgll&n  
net.ipv4.tcp_max_syn_backlog = 16384 `gE_u  
net.ipv4.tcp_max_tw_buckets = 36000 Aa!#=V1d  
net.ipv4.route.gc_timeout = 100 @g%^H)T  
net.ipv4.tcp_syn_retries = 1 /VHQ!Wi  
net.ipv4.tcp_synack_retries = 1
*wl&Zzx  
net.core.somaxconn = 16384 pT<}n 9yB5  
net.core.netdev_max_backlog = 16384 X$(YCb  
net.ipv4.tcp_max_orphans = 16384