Seong-lae Choallow
from - client
to - server
any
port - port/protocol
proto - protocol
tcp
udp
How to delete UFW firewall rules on Ubuntu 18.04 Bionic Beaver Linux
The objective is to show how to remove UFW firewall rules selectively on Ubuntu 18.04 Bionic Beaver Linux Operating System: - Ubuntu 18.04 Bionic Beaver Privileged access to to your Ubuntu 18.04 Bionic Beaver installation will be required.
https://linuxconfig.org/how-to-delete-ufw-firewall-rules-on-ubuntu-18-04-bionic-beaver-linux
UFW - allow range of IP addresees?
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https://askubuntu.com/questions/646424/ufw-allow-range-of-ip-addresees
