- Plesk Onyx for Linux
Plesk and/or domains hosted on Plesk are not accessible from a particular IP address with the following error in browser:
IP address which is used for connections is marked as banned in Fail2ban
/var/log/fail2ban.log. In the example IP address is 203.0.113.2:
CONFIG_TEXT: 2018-05-16 13:47:45,902 fail2ban.filter : INFO [recidive] Found 203.0.113.2
2018-05-16 13:47:46,408 fail2ban.actions : NOTICE [recidive] Ban 203.0.113.2
The IP address was banned by Fail2Ban due to repetitive login failures.
Go to Tools & Settings > Fail2ban > Banned IP addresses tab;
Find and select banned IP address 203.0.113.2 from the list;
If the affected IP address is known and trusted in order to prevent from being banned again, it can be white-listed:
Go to Tools & Settings > Fail2Ban > Banned IP Address tab.
Select the IP address and click Move to Trusted IPs.;