Kerio Control 942 Upd

Kerio Control 9.4.2 is a major update released on October 11, 2022, designed to modernize the platform's foundation and address critical performance and security needs. This release is notable for introducing a Kernel upgrade, which significantly improves underlying system stability and hardware compatibility. Key Features and Improvements

The 9.4.2 update focuses on enhancing VPN security and administrative control:

Kernel Upgrade: The core operating system kernel was updated to provide better performance and broader support for modern hardware.

VPN 2FA Configuration: Administrators can now configure two-factor authentication (2FA) token expiration for VPN connections, allowing for a better balance between security and user convenience.

Reverse Proxy Redirection: Added support for HTTP/S redirection within the reverse proxy, simplifying the management of secure web services.

IPsec Updates: This version includes critical updates to IPsec VPN and IPsec SNAT to ensure more reliable and secure site-to-site tunnels.

Mac Performance: While the update fixed several issues, some early users reported potential upload speed degradation on Mac devices, which was later addressed in subsequent patches. Fixes and Stability Enhancements

Beyond new features, Kerio Control 9.4.2 and its immediate patch (9.4.2p1) resolved several technical hurdles:

Radius Authentication: Fixed errors that occurred during WiFi authentication when using a Radius server.

Virtual Network Fixes: Resolved an issue where virtual network adapters became unavailable in VMware deployments. kerio control 942 upd

DHCP Behavior: Improved how the DHCP client handles ISP address changes on the WAN interface. How to Perform the 9.4.2 Update

Updates can be managed directly through the Kerio Control web administration interface.

Manual Check: Navigate to Configuration > Advanced Options > Software Update and click Check Now.

Binary Upload: If the automatic update is not appearing, you can download the .img file from the Kerio Software Archive and use the Select File button to upload it manually.

Intermediate Upgrades: If you are running a very old version (pre-9.4.3), you may need to perform an intermediate step to 9.4.3 p4 to bypass file size limitations in older builds before reaching the latest versions.

For organizations needing remote management across multiple sites, this version also lays the groundwork for better integration with GFI AppManager, which allows for centralized monitoring and updates. 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

Kerio Control version 9.4.2 was released on October 11, 2022 (Build 7279), followed quickly by a patch, 9.4.2p1, on October 17, 2022 (Build 7290). Kerio Control 9.4.2 Release Overview

This release focused on stability and core updates. However, it was followed by a patch (p1) to address specific bugs and performance issues. Version: 9.4.2 / 9.4.2p1 Kerio Control 9

Key Fixes: Performance optimizations and security updates. Some users reported Internet throughput issues after this upgrade, which can be fixed by disabling Generic Receive Offload (GRO) in the system settings. How to Upgrade

If you are currently on an older version and looking to move to 9.4.2 or higher: Direct Web UI Update:

Navigate to Configuration > Advanced Options > Software Update.

Click Check now to find the latest version or Select File to upload a specific .img binary upgrade file manually. USB Upgrade (For Box Appliances):

Download the kerio-control-usbupgrade file to a FAT32-formatted USB drive.

Plug it into the Kerio Control box and reboot; the upgrade will start automatically. Intermediate Step Warning:

If you are on a very old version (e.g., 8.x or early 9.x), you may need to perform an intermediate upgrade (such as to version 9.4.3p4) due to file size limitations in older builds before reaching the most recent versions. Important Troubleshooting

Troubleshooting Kerio Control Upgrade Failing in the Web Admin UI

Kerio Control has historically been targeted by attackers. Notable past vulnerabilities (e.g., CVE-2019-13450, CVE-2017-9147) were patched via incremental updates. If your 942 is running a version from 2018, your network is exposed to remote code execution (RCE) and cross-site scripting (XSS) flaws. Click Confirm

Before diving into updates, it is critical to understand what you are managing. The Kerio Control 942 is not a generic PC; it is a purpose-built appliance.

Based on the official changelog and community feedback, here’s what’s resolved:

Overview
Kerio Control 9.4.2 (build 942) is a maintenance update for the unified threat management (UTM) firewall solution. This update focuses on stability improvements, security patches, and resolving known bugs from earlier 9.4.x releases.

Key Improvements in 9.4.2

How to Update

Important Notes

Need the file?
Official downloads require a valid support contract. Search: "KerioControl-9.4.2-942.kerio-update" on GFI’s legacy portal or contact support.

Troubleshooting: If the automatic check fails, download the .tar.gz file manually (see above) and use the Upload Update button instead.