Firewall - andreydiveev/wiki GitHub Wiki
Install:
# apt-get install ufw
Open port:
# ufw allow 1194/udp
Open both tcp and udp:
# ufw allow 1194
Remove rule:
# ufw delete allow 1194/udp
Enable:
# ufw enable
Disable:
# ufw disable
Show rules:
# ufw status
Rules path:
/lib/ufw/user.rules
IPv4 forwarding:
# enable
sudo sysctl -w net.ipv4.ip_forward=1
# disable
sudo sysctl -w net.ipv4.ip_forward=1
# change permanently
# net.ipv4.ip_forward=1
sudo mcedit /etc/sysctl.conf
# apply
sudo sysctl -p