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Mac OS X - Passive Port Mapping? (1 post)
- Started 12 years ago by DRFoster
Is there a way with Mac OS X 10.2.4 to tell it which port to use as the data port when using passive mode FTP?
My situation: I've got 4 Macs (all OS X 10.2.4) behind an Airport base staion using NAT. All machines have a fixed internal IP address in the range 10.0.1.2xx. I've got ports 20/21 port mapped into one of the machines, which I can connect to from my outside IP address using Fetch in active mode. I can't connect, however, in passive mode. The issue is which port the server uses for its data port when in passive mode. I need to map this port through my base station. In order to do this, I need to know (i.e., configure) the FTP server in Mac OS X to a specific, known port for the passive mode data port.
Where I'm trying to get to is to be able to FTP into any of the machines behind my Airport by port mapping a different port into each machines port 21 and the port each machine will use for its passive mode data port. The problem, as I've stated above, is how to map the data port each FTP server will use.
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