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ss.md 代码高亮

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jaywcjlove 2017-02-08 00:48:07 +08:00
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command/ss.md
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@ -51,16 +51,16 @@ ss [参数] [过滤]
### 实例
```
ss -t -a 显示TCP连接
ss -s 显示 Sockets 摘要
ss -l 列出所有打开的网络连接端口
ss -pl 查看进程使用的socket
ss -lp | grep 3306 找出打开套接字/端口应用程序
```bash
ss -t -a # 显示TCP连接
ss -s # 显示 Sockets 摘要
ss -l # 列出所有打开的网络连接端口
ss -pl # 查看进程使用的socket
ss -lp | grep 3306 # 找出打开套接字/端口应用程序
ss -u -a 显示所有UDP Sockets
ss -o state established '( dport = :smtp or sport = :smtp )' 显示所有状态为established的SMTP连接
ss -o state established '( dport = :http or sport = :http )' 显示所有状态为Established的HTTP连接
ss -o state fin-wait-1 '( sport = :http or sport = :https )' dst 193.233.7/24 列举出处于 FIN-WAIT-1状态的源端口为 80或者 443，目标网络为 193.233.7/24所有 tcp套接字
ss -o state established '( dport = :smtp or sport = :smtp )' # 显示所有状态为established的SMTP连接
ss -o state established '( dport = :http or sport = :http )' # 显示所有状态为Established的HTTP连接
ss -o state fin-wait-1 '( sport = :http or sport = :https )' dst 193.233.7/24 # 列举出处于 FIN-WAIT-1状态的源端口为 80或者 443，目标网络为 193.233.7/24所有 tcp套接字
# ss 和 netstat 效率对比
time netstat -at
@ -84,7 +84,7 @@ ss src 192.168.119.103:25
**将本地或者远程端口和一个数比较**
```
```bash
# ss dport OP PORT 远程端口和一个数比较；
# ss sport OP PORT 本地端口和一个数比较
# OP 可以代表以下任意一个:
@ -108,7 +108,7 @@ ss -o state fin-wait-1 \( sport = :http or sport = :https \) dst 192.168.1/24
**用TCP 状态过滤Sockets**
```
```bash
ss -4 state closing
# ss -4 state FILTER-NAME-HERE
# ss -6 state FILTER-NAME-HERE