Refinements were made to IPsec Source Network Address Translation (SNAT) for better traffic handling.
The documented upgrade path from versions like 9.4.2p1 is as follows:
Enhancing Network Security and Performance: A Deep Dive into Kerio Control 9.4.2 Update kerio control 942 upd
: Eliminated critical Wi-Fi authentication connection drops occurring over IEEE 802.1X enterprise standard networks.
Includes updated VPN protocols and engine fixes to protect against the latest localized vulnerabilities. Improved Web Content Filtering: Refinements were made to IPsec Source Network Address
The Critical Role of Kerio Control 9.4.2 in Modern Network Security
The most notable fix in patch 1 addressed a severe bug for users running Kerio Control on VMware virtual appliances. After upgrading to base version 9.4.2, some users found that their virtual network interfaces would vanish, making the appliance inaccessible for remote management. The 9.4.2p1 patch permanently corrected this bug. Improved Web Content Filtering: The Critical Role of
No public exploits have been reported, but upgrading closes these vectors before they become widespread.
If the web interface is frozen, use SSH:
The update patches several Common Vulnerabilities and Exposures, including: