notes/ufw.md
2023-01-12 17:33:50 -05:00

44 lines
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if you dont specify a protocol it allows either tcp/udp
**ports**
```
sudo ufw allow 22
sudo ufw allow 22/tcp
```
**ranges**
```
sudo ufw allow 6000:6007/tcp
sudo ufw allow 6000:6007/udp
```
**specific ip**
```
sudo ufw allow from 203.0.113.4
sudo ufw allow from 203.0.113.4 to any port 22
```
enable firewall `suod ufw enable`
## inquirey
`sudo ufw status numbered`
pt@r710:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] 22/tcp ALLOW IN Anywhere
[ 2] 5432 ALLOW IN Anywhere
[ 3] 5440 ALLOW IN Anywhere
[ 4] 10000 ALLOW IN Anywhere
[ 5] 443/tcp ALLOW IN Anywhere
[ 6] 5433/tcp ALLOW IN Anywhere
[ 7] 22/tcp (v6) ALLOW IN Anywhere (v6)
[ 8] 5432 (v6) ALLOW IN Anywhere (v6)
[ 9] 5440 (v6) ALLOW IN Anywhere (v6)
[10] 10000 (v6) ALLOW IN Anywhere (v6)
[11] 443/tcp (v6) ALLOW IN Anywhere (v6)
[12] 5433/tcp (v6) ALLOW IN Anywhere (v6)