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How I can configure Skype on OSX to not use port 80?

In the Windows version of Skype, you can configure the main port (80 by default) and the alternative (443 by default).

Windows Options

enter image description here

However, on OSX there does not seem to be this same option - how can I access and change these options on Mac?


@nerdwaller Thanks for editing! Great job!

I want to use nginx and Skype blocks this ports.

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"There is good option for Windows version, but there I can't find any in version for Skype." What? Is there an option in skype for Windows but not in skype for OSX, is that what you are getting at? – nerdwaller Sep 5 '13 at 13:19
@nerdwaller Sure. In skype for windows you have 'Use port 80 and 443 as alternative', I can't find it in skype for mac. – Jevgeni Smirnov Sep 5 '13 at 13:20
Unless this option is exposed in the interface you can't reconfigure Skype. – Ramhound Sep 5 '13 at 13:21
@Ramhound Dual-instance also not exposed anywhere in the gui. – Jevgeni Smirnov Sep 5 '13 at 13:22
Updated your answer, in the future - you should respond to questions by updating your post. I tried to clear up the ambiguity as well. – nerdwaller Sep 5 '13 at 13:29

I just downloaded the most recent version of Skype on OSX 10.8.4 - I see the option under "Advanced", while I can't define alternatives (the 80/443 option in the screenshot from Windows) - it sounds like you want to block those anyway... So that doesn't seem to be an issue from my understanding.

enter image description here

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