Kerio Control 942 Upd Guide

If your KC942 is struggling to apply the latest UPD (frequent disk full errors), it is a sign of hardware aging. Plan to migrate to:

"Kerio Control 9.4.2 Update Available

We've successfully updated our Kerio Control to version 9.4.2. The process was straightforward; we ensured a backup was in place, downloaded the update from the official site, and applied it through the admin interface.

The update included several security patches and improved our VPN stability. If you're experiencing any issues or have questions about updating, I'd be happy to help or point you towards resources."

Kerio Control 9.4.2 is a firewall and threat management solution released on October 11, 2022

(Build 7279). It is followed by the 9.4.2 Patch 1 (Build 7290) update, which notably upgraded the Linux kernel from version 3.16 to Update and Upgrade Process kerio control 942 upd

To update Kerio Control to version 9.4.2 or higher, you can use the built-in administration interface or a manual image file: Standard Update Log in to the administration interface (typically

Kerio Control 9.4.2 represents a critical maintenance and performance update for GFI’s unified threat management (UTM) solution. Released on October 11, 2022, this version focused on core infrastructure stability and security enhancements to support modern network environments. Key Features and Enhancements

The 9.4.2 update introduced several foundational improvements designed to increase system security and administrative control:

Kernel Upgrade: A major system kernel update was implemented to improve hardware compatibility and overall system stability.

Enhanced 2FA for VPN: Administrators gained the ability to configure specific 2FA token expiration times for VPN sessions, providing a better balance between security and user convenience. If your KC942 is struggling to apply the

Reverse Proxy Redirection: The update added support for HTTP/S redirection within the reverse proxy settings, simplifying traffic management for hosted web services.

IPsec Improvements: Significant updates were made to the IPsec VPN and SNAT (Source Network Address Translation) modules to ensure more reliable encrypted tunnels. Performance Fixes

Beyond new features, version 9.4.2 addressed several legacy issues that affected performance:

Mac Upload Speeds: Resolved specific issues where macOS users experienced significant upload speed degradation.

RADIUS Authentication: Fixed authentication errors occurring when using RADIUS servers for Wi-Fi or VPN access. " Kerio Control 9

Hyper-V Compatibility: Addressed a display issue where Hyper-V virtual appliances would incorrectly show interface details as "Legacy Network Adapter". Important: Kerio Control 9.4.2 Patch 1 (9.4.2p1)

Shortly after the initial release, GFI issued 9.4.2 Patch 1 (Build 7290) on October 17, 2022, to resolve critical bugs found in the initial rollout.

VMware Fix: Fixed a critical bug where virtual network adapters became unavailable on VMware deployments.

GRO Performance: Some users noted low internet throughput after the update, which can be resolved by adjusting the Generic Receive Offload (GRO) settings in the advanced configuration. How to Upgrade

To install this update, administrators can use the following methods through the GFI Kerio Control Web Administration: Kerio Control 9.4.2 Release Notes - GFI

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 9.4.2p1 Release Notes - GFI

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