Thunderbolt bridge connection does not work when Network Threat Protection is enabled [KES for Mac]

[Egor Erastov]

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Scenario

1. Enable Network Threat Protection
2. Connect another Mac via a thunderbolt cable
3. Try to send any data from one computer to another
4. Connection times out

Workaround & Solution

Connect computers by other means or disable NTP when using Thunderbolt bridge.

RCA

This issue is caused by a bug in macOS' built-in packet filter and was reported to apple.