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Forum Discussion
Slasky
Jul 03, 2012Aspirant
FTP server using passive ports
Hello everybody. This is more of a network-question than a readynas one. I've just recently bought an Ultra 4 in an addition to my Duo. I've had, and still have the FTP service running at the Du...
StephenB
Jul 04, 2012Guru - Experienced User
That is because it is impossible. Like trying to forward your mail to two different addresses.
Slasky wrote: Problem one was that my router can't seem to forward the same port to two different devices...
I'm not completely sure what you did, but the normal way you solve is problem is:
forward five ports (X to X+4) to the DUO, using X for the main port and the other X+1 to X+4 for the passive ports.
forward five different ports (Y to Y+4) to the ultra, using Y for the main port and the other Y+1 to Y+4 for the passive ports.
You also need to configure the DUO to use X+1 to X+4 for passive ports, and the ULTRA to use Y+1 to Y+4.
Then specify port X in your ftp client when connecting to the DUO, and port Y in client when connecting to the ULTRA
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