...
| Code Block |
|---|
sudo fail2ban-client status sshd |
This will display the list of currently banned IP addresses for that service.
Managing Banned IPs
Unban an IP Address
If a legitimate IP is banned by mistake, you can manually unban it:
| Code Block |
|---|
sudo fail2ban-client unban <IP_ADDRESS> |
Restart Then restart Fail2ban to apply the changes:
...
Open the configuration file for the jail you want to modify (for example, SSH):
Code Block sudo nano /etc/fail2ban/jail.local
Find the jail configuration (e.g., [sshd]), and add the IPs you wish to whitelist under ignoreip. You can list multiple IPs separated by spaces:
Code Block [sshd] ignoreip = 192.168.1.1 203.0.113.50
Restart Finally, restart Fail2ban to apply the changes:
Code Block sudo systemctl restart fail2ban
...
| Code Block |
|---|
ignoreip = 203.0.113.0/24 |
This command will whitelist all IPs in the range 203.0.113.0 to 203.0.113.255.
...