[Zope] how to change zport form 8080 to 80?

[J Cameron Cooper]

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>as subjuct indicate, how to change zport form 8080 to 80?
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In general, edit the start script and change the web port switch (-w) to 80.

If on some Unix you may have a little more work todo with regard to 
security: in that case read docs/SETUID.txt

          --jcc