- Plesk 12.5 for Linux
When creating a new rule in Plesk Firewall for particular ports, an additional DROP rule is created. After that, when creating a new rule for the same port, the previous rule is not working.
Bug #PPPM-3499 . It is fixed in Plesk 12.5 MU #11 and Plesk Onyx.
Install the latest microupdates or upgrade to the latest Plesk version .