UFW Firewall - Control Network Traffic with UFW | Online Free DevTools by Hexmos
Control network traffic easily with UFW Firewall. Manage rules, allow/deny connections and secure your system with this command-line tool. Free online tool, no registration required.
ufw
Uncomplicated Firewall. Frontend for
iptables
aiming to make configuration of a firewall easier. More information: https://wiki.ubuntu.com/UncomplicatedFirewall.
- Enable
ufw
:
ufw enable
- Disable
ufw
:
ufw disable
- Show
ufw
rules, along with their numbers:
ufw status numbered
- Allow incoming traffic on port 5432 on this host with a comment identifying the service:
ufw allow 5432 comment "{{Service}}"
- Allow only TCP traffic from 192.168.0.4 to any address on this host, on port 22:
ufw allow proto tcp from 192.168.0.4 to any port 22
- Deny traffic on port 80 on this host:
ufw deny 80
- Deny all UDP traffic to ports in range 8412:8500:
ufw deny proto udp from any to any port 8412:8500
- Delete a particular rule. The rule number can be retrieved from the
ufw status numbered
command:
ufw delete {{rule_number}}