Kerio Control 942 2021 < 95% Verified >

Version 9.4.2 was a "stability and security" release.

Cause: Over-aggressive caching of API responses. Fix: Navigate to Content Filtering > HTTP Policy > Advanced. Add problematic domains (e.g., *.salesforce.com) to the "Bypass cache" list. kerio control 942 2021

GFI offers a migration path from 9.4.2 to Kerio Control 10.0.x (released late 2023). The major changes include: Version 9

Migration steps:

Note: There is no downgrade path from v10 to v9.4.2. Migration steps:

A subtle but important 2021 addition allowed the 942 to forward DNS queries via DoH to Cloudflare (1.1.1.1) or Quad9. This prevented local ISP snooping—a major privacy win.