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| — | ufw [2015/06/01 23:45] (current) – created - external edit 127.0.0.1 | ||
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| + | ====== ufw ====== | ||
| + | * [[Firewall]] | ||
| + | * [[iptables]] | ||
| + | * [[Security]] | ||
| + | * [[Ubuntu]] | ||
| + | |||
| + | ufw, or uncomplicated firewall, is a command-line application that ships with Ubuntu to setup iptables. | ||
| + | |||
| + | Once you enable ufw with '' | ||
| + | |||
| + | |||
| + | ==== Examples ==== | ||
| + | |||
| + | < | ||
| + | ufw allow proto tcp to any port 22 | ||
| + | ufw allow proto tcp to any port 80 | ||
| + | ufw allow proto tcp to any port 222 | ||
| + | ufw allow proto tcp to any port 443 | ||
| + | ufw allow proto tcp to any port 10000 | ||
| + | ufw enable | ||
| + | </ | ||
| + | |||
| + | Allow connections from local subnet, and specific outside IP address: | ||
| + | |||
| + | < | ||
| + | ufw allow from 192.168.12.0/ | ||
| + | ufw allow from 1.2.3.4 | ||
| + | </ | ||
| + | |||
| + | Start firewall | ||
| + | < | ||
| + | ufw enable # | ||
| + | yes y | ufw enable # batch | ||
| + | </ | ||
| + | |||
| + | Show firewall status | ||
| + | < | ||
| + | ufw status | ||
| + | </ | ||
| + | |||
| + | Stop firewall | ||
| + | < | ||
| + | ufw disable | ||
| + | </ | ||
| + | |||
| + | Display existing rules: | ||
| + | |||
| + | < | ||
| + | ufw status numbered | ||
| + | </ | ||
| + | |||
| + | Delete existing rule: | ||
| + | |||
| + | < | ||
| + | ufw delete <rule number> | ||
| + | </ | ||
| + | |||
| + | Save iptables rules | ||
| + | < | ||
| + | iptables-save > foo | ||
| + | </ | ||
