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711 B
711 B
UFW
UFW (Uncomplicated Firewall) is a program to manage a netfilter firewall.
Usage
Block specific IPs
To block the whole traffic from a specific IP to your computer run:
ufw deny from <ip> to any
This will not send a reject response, so the target of the block won't know he
was blocked.
If you don't care if the target knows you can also run:
sudo ufw reject from <ip> to any
List all rules
To show all rules you can run:
ufw status
or:
ufw status numbered
if you want to have a list of all rules with according numbers.
Remove rules
Locate the rule you want to remove by showing all rules (numbered).
Then run:
ufw delete <number of rule>