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Firefox: Performing a TLS handshake takes too long

Posted: Sun Mar 03, 2019 1:59 am
by siarsky
Mac OS: 10.14.3
Firefox: 65.0.1
Little Snitch: 4.2.4

Problem:
Firefox hangs for 6-8 seconds with a message Performing a TLS handshake - even if the Little Snitch is active or inactive. First idea was, that is it a firefox problem - the downgrade to 63.0.0 did not help. After a complete uninstall of Little Snitch Firefox works correctly again.

The same problem occurs in Chrome (Version: 72.0.3626.119) - waiting on "Establishing secure connection" for 6-8 seconds, after uninstall of little snitch, no problems.