Kerio Control 9.4.2 Verified May 2026

Kerio Control 9.4.2 is a maintenance release for GFI’s Next-Generation Firewall (NGFW), launched on October 11, 2022. While it primarily focuses on security hardening and bug fixes rather than major feature overhauls, it remains a critical baseline for stable deployments.  Core Release Highlights (9.4.2 & 9.4.2p1) 

Access – https://<LAN_IP>:4040 (default: 192.168.1.1:4040) kerio control 9.4.2

Fixed blank information columns in user transfer quota alerts. Kerio Control 9

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Issue 2: VPN clients connect but cannot ping LAN resources

• Cause: Missing firewall rule allowing VPN subnet to LAN.
• Fix: Add a rule: Source = VPN pool (e.g., 10.0.0.0/24), Destination = LAN subnet, Service = Any, Action = Allow.

Some of the key enhancements in Kerio Control 9.4.2 include: Cause: Missing firewall rule allowing VPN subnet to LAN

The 9.4.2 release addressed several critical bugs and operational issues found in previous versions:

Overview. Kerio Control 9.4. 2 has been released and is available for download. Release date: Oct 11, 2022. Build ID: 7279. support.keriocontrol.gfi.com Kerio Control 9.4 Release Notes - GFI