Cisco AnyConnect 'Umbrella Plugin' blocks CAC on Mac
macos
Symptoms
CAC works until Cisco AnyConnect is launched.
Likely cause
Cisco Umbrella module intercepts TLS.
Fix
1. Uninstall the Cisco Umbrella plugin (keep AnyConnect itself).
2. Reboot.
Sourced from militarycac.com. Rewritten for clarity.
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