> For the complete documentation index, see [llms.txt](https://viva.gitbook.io/project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://viva.gitbook.io/project/wang-luo/fang-huo-qiang/iptables.md).

# iptables

例子：添加对地址192.168.1.1的白名单

```
iptables -A INPUT -s 192.168.1.1 -p all -j ACCEPT
```

例子：插入对地址192.168.1.1的白名单

```
iptables -I INPUT -s 192.168.1.1 -p all -j ACCEPT
```

例子：添加对来自地址192.168.1.1的传入白名单

```
iptables -A INPUT -s 192.168.1.1 -p INPUT -j ACCEPT
```

例子：添加对来自地址192.168.1.1的传出白名单

```
iptables -A INPUT -s 192.168.1.1 -p OUTPUT -j ACCEPT
```

例子：添加对来自地址192.168.1.1的转发白名单

```
iptables -A INPUT -s 192.168.1.1 -p FORWARD -j ACCEPT
```

例子：删除对地址192.168.1.1的白名单

```
iptables -D INPUT -s 192.168.1.1 -p all -j ACCEPT
```

例子：添加对地址192.168.1.1的黑名单

```
iptables -A INPUT -s 192.168.1.1 -p all -j DROP
```