• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Resolved Can't find the Protection Against Brute Force Attacks (Fail2Ban)

Fail2Ban is an optional module that might not have been installed during setup. To install the module separately:
1. Please open Tools & Settings > Plesk > Updates.
2. Then click "Add/Remove Components".
3. Select "Fail2Ban" from the component list.
4. Click "Continue" and wait until the component installation finishes.
 
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