简介
显示网络连接,路由表,接口状态,伪装连接,网络链路信息和组播成员组。
参数
netstat
1 2 3 4 5 6 7
| $ netstat
Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State
Active UNIX domain sockets (w/o servers) Proto RefCnt Flags Type State I-Node Path
|
Proto: 套接字使用的协议
Recv-Q: 连接此套接字带的用户程序未拷贝的字节数
Send-Q: 远程主机未确认的字节数
State: 套接字的状态
- ESTABLISHED
- SYN_SENT
- SYN_RECV
- FIN_WAIT1
- FIN_WAIT2
- TIME_WAIT
- CLOSED
- CLOSE_WAIT
- LAST_ACK
- LISTEN
- CLOSING
- UNKNOWN
netstat -r
1 2 3 4
| $ netstat -r
Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface
|
netstat -s
常用组合
netstat -anp | grep :80
netstat -tulnp