Starting from May 26, 2023 Plesk domains are not accessible in a browser with either the
403 Forbidden error or with the
123 Apache Test Page.
With the update of the
aum package provided by Atomicorp, the Apache module
mod_evasive was installed, and this module false-positively blacklisted the server's IP address - errors like below are found in the log file
/var/log/messages or in the Apache log:
mod_evasive: Blacklisting address 192.0.2.2: possible DoS attack
The issue is resolved in the further update of the
aum package 6.0.48-29386.
Connect to the server using SSH.
aumto the latest version and remove the Apache module
# aum -uf ; yum -y remove mod_evasive ; aum -u
- Go to Tools & Settings > Web Application Firewall > Settings, switch to other ruleset, press Apply, switch back to initial ruleset and press Apply.