Can Mod_security or Fail2ban could be installed inside Plesk Automation environment?
Mod_security and Fail2ban is not tested with PA and officially supported. Odin Technical Support cannot guarantee that this packages will be working properly with all PA services.
Corresponding feature request to implement
Fail2ban support was submitted, the id #FR1915943.
Please provide your suggestion for new functionality on User Voice:
The top-ranked suggestions are likely to be included in the next versions of Plesk Automation. You can get the information about the updates in our products in the following public sources:
https://partners.odin.com/ - public roadmaps for partners;
http://www.odin.com/hcap/subscribe/ - marketing news and important announces;
http://kb.odin.com/subscriptions/index.html - knowledge base, each product update comes with corresponding KB article;
Additionally for Plesk products you can use RSS feeds at http://kb.odin.com/rss/index.html