PHP中文网

一般LINUX 系统都可以用！
netstat -n | awk ‘/^tcp/ {n=split($(NF-1),array,”:”);if(n<=2)++S[array[(1)]];else++S[array[(4)]];++s[$NF];++N} END {for(a in S){printf(”%-20s %s\n”, a, S[a]);++I}printf(”%-20s %s\n”,”TOTAL_IP”,I);for(a in s) printf(”%-20s %s\n”, a, s[a]);printf(”%-20s %s\n”,”TOTAL_LINK”,N);}’

显示结果：
TOTAL_IP             2567
LAST_ACK             1252
SYN_RECV             434
CLOSE_WAIT           1145
ESTABLISHED          3601
FIN_WAIT1            261
FIN_WAIT2            26
CLOSING              2
SYN_SENT             1864
TIME_WAIT            2494
TOTAL_LINK           11079