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How do I configure my firewall setting on my Mac's Norton internet security to avoid repeated warnings each time I login: "An unknown service (port xxx) is starting on your Mac" where port xxx is one of the non standard port numbers: 996, etc.
What is the version of Mac os you are using? Also, please check and let me know the version of Norton you have installed.
The Mac version is Sierra version 10.12.3 running on a Mac mini from late 2014. Norton Security is Version 6.0
Thanks, Paul (beatrice's husband)
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