: While 9.4.2 is stable, newer versions contain security patches and bug fixes. Regularly check the Kerio Software Archive for updates.
For macOS users, upgrading the Kerio Control VPN Client may require a specific procedure when moving between major OS versions. The recommended approach is to uninstall the old version of the client using its own installer, then install the new version fresh, rather than attempting an in-place upgrade.
Before downloading, ensure your endpoint meets these minimum specs: kerio control vpn client 942
If you are currently running an older version, here is why you should consider updating to build 9.4.2.
The Kerio Control VPN Client is a lightweight tool that establishes an encrypted "tunnel" from your computer to your company’s Kerio Control gateway. It allows your device to act as if it were physically plugged into the office network, granting you access to internal servers, printers, and applications. Why Version 9.4.2? : While 9
Upon the first connection attempt, the client may display an SSL certificate warning. If you trust the Kerio Control server, confirm the warning to proceed. The client will save the certificate for future connections.
While the default VPN server port is 4090, administrators can specify alternative ports by appending the port number to the server address (e.g., 'server1:4091'), allowing flexibility in firewall configurations. The recommended approach is to uninstall the old
The Kerio Control VPN Client serves as the endpoint software that allows remote users to connect securely to a network protected by a Kerio Control firewall. Once connected, the client establishes an encrypted channel, effectively making the remote device behave as if it were physically present on the local network. This allows employees to access internal file servers, applications, and other resources from anywhere with an Internet connection.
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By mastering the installation, configuration, and troubleshooting steps outlined above, you ensure that your remote workforce stays productive, secure, and connected—no matter where they log in from. The is more than just a VPN; it is the keystone of your perimeter security architecture.