UFW


allow
> from - client
> to - server
>> any
> port - port/protocol
> proto - protocol
>> tcp
>> udp

```typesudo ufw enablesudo ufw allow from 192.168.0.3 to any port 22 proto tcpsudo ufw allow 123/udp```



```typesudo ufw status numberedsudo ufw delete number```


[ufw docker](https://texonom.com/ufw-docker-b0b06c89c41c48d3b954614c85050e5b)



> [How to delete UFW firewall rules on Ubuntu 18.04 Bionic Beaver Linux](https://linuxconfig.org/how-to-delete-ufw-firewall-rules-on-ubuntu-18-04-bionic-beaver-linux)

> [UFW - allow range of IP addresees?](https://askubuntu.com/questions/646424/ufw-allow-range-of-ip-addresees)





