Translations:CheatSheet/16/en
From Manjaro
Display network information
user $ nmcli
List wireless access points
user $ nmcli c
Enable firewall [package Community: ufw]
user $ ufw enable
Allow/deny all incoming traffic
user $ ufw default [allow/deny]
Displays firewall status and rules
user $ ufw status
Allows/deny incoming traffic on the specified port
user $ ufw [allow/deny] [port]
Allows/deny incoming traffic from specified IP address
user $ ufw [allow/deny] from [ip]