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Kerio Control 9.5.0 p1 Release Notes

Overview

Kerio Control 9.5.0 p1 has been released and is available for download.

  • Release date: July 9, 2025
  • Build ID: 8907

This maintenance release focuses on enhancing system stability and addressing critical security vulnerabilities to ensure reliable performance.

Changes and Fixes

  •  Ringfencing Agent Vulnerability: Resolved a security issue affecting the GFI Agent (AppManager) component.
  •  GFI Agent Performance & Stability: Fixed performance issues and network instability caused by GFI Agent integration.
  •  OpenVPN Connectivity:
  • Fixed connection failures introduced in Kerio Control 9.5.
  • Resolved issues with OpenVPN connectivity after certificate changes.
  •  IPS Stability: Addressed an IPS bug that caused system crashes in version 9.5.0
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  1. Ciprian Nastase

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Comments

  1. Jeff Bagby

    The problem with Kerio Control locking up every few days was a problem with an IPS rule and/or the new IPS engine introduced in 9.5.0 and triggered by a very specific type of traffic. This problem was fixed in early August 2025 through a new IPS file definition that was auto-downloaded per your Kerio Control's IPS signatures update schedule (default 24 hours). Also, enabling Watchdog within Kerio Control allows Control to recover from lockups such as this. Currently, Watchdog can only be enabled via SSH.

  2. peter.jones@fkca.co.uk

    We seem to be having issues with this update. We been having to restart at least once a week as it becomes unresponsive like loss of connection and can't access the web interface. We have to restart the box physically.

  3. Torsten Schelb

    We are experiencing the same issue at multiple locations: all network connections are lost. In several cases, I observed the error occurring directly after the IPS update.

  4. Thomas König

    Still bad. We thought our firewall would not lose network connectivity anymore but its still there. Only Reboot, sometimes 2-3 reboots fixes it.
    Same problem with our customers. Thats pretty enoing!
    Fix that if you want to keep any customers!

  5. Claire Lukasz

    Yes what are you doing with this AI driven  suport . GFI should have a final human support step

  6. Nick Hoague

    And how do I even contact support now? Its all AI driven support? GFI what are you doing?! 

  7. Nick Hoague

    This update is even worse. When it updates ... I am having to manually reload oh about 65 firewalls ... not happy.