launching Parallels breaks existing packet filter rules

Discussion in 'Installation and Configuration' started by duckworth, Apr 22, 2021.

  1. duckworth

    duckworth Bit Poster

    Messages:
    5
    Running
    Version 16.5.0 (49183) Pro on OSX Big Sur 11.2.3.

    I have packet filter rules installed for local development from the invoker ruby gem which forward port 80 and 443 to ports 23401 and 23402. As soon as launch Parallels they stop working until I close Parallels and reboot.
    I can see that as soon as Parallels runs there are additional packet filter rules "com.apple.internet-sharing" listed.

    Also if I run "sudo pfctl -f /etc/pf.conf" they start working again.

    Any ideas on how to troubleshoot further?
     

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