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    Solved The knock of amd64 freebsd cannot listen for information.

    Hello everyone. I encountered a problem using kncock on amd64's freebsd: Knockd cannot detect any correct signals. Background environment: after the OS installation is complete, run. 1. pkg install knock. 2. Set up the conf file for knockd. 3. Knockd-d-I em0-c knock.conf. 4. Use knock freebsd_ip...