Mac Firewall: Do you want the application to accept incoming network connections

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Recently I’ve had a bother with the Mac firewall asking me if I want it to accept incomming network connections every time I open a particular application.

The appropriate setting can be found under:

System Preferences : Personal > Security > Firewall

I have mine configured to “Set access for specific services and applications” which normally asks me if I want to allow an application to accept incoming connections the first time I run it and that’s normally the end of it. The trouble comes when you try and update certain applications usingĀ Software Update. I’m not exactly sure what causes the problem but for some reason with specific applications the firewall then proceeds to ask you, each time, if you would like it to accept incoming network connections. This you can imagine is superlatively tedious.

The answer though is to just delete the application from you applications folder and reinstall it. The first time you open the freshly installed application it will ask the question and then bug you no more. Then all you have to worry about is not updating it via software update again.

Basic POP3 & IMAP Connection Testing via Telnet

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To Test POP3

telnet 110 (xxx = mailserver)
+OK Hello there.
+OK Password required.
+OK logged in.
+OK (Information about your mail)
+OK Bye-bye.

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