CUPSD listens to Port: 631

PieterJan Pieterjandeboeck at
Wed Jul 7 02:02:14 PDT 2004

Can anyone clarify this to me:

Since Cupsd (The Cups print server) is a deamon application listening to incomming jobs on port:631; Would it be possible to have another application listen in on that port as wel ??? Or is it not possible for 2 apps to listen to the same port?

Additionally, anyone know how I would do that in Objective-c/Cocoa/Carbon/Xcode?


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