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Forum Discussion
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...
Slasky - what client are you using? With filezilla you can see what passive port is being engaged (though you need to do the math, since it gives you the high and low byte of the port number separately). My Duo V1 definitely uses the passive port. If you are checking this from work, perhaps the firewall is acting as an FTP proxy for the Duo. You could confirm this by changing it to a non-standard port (21 being the normal FTP port). Or see if you get the same behavior when connecting locally.
I use filezilla, and don't configure the masquerade. Filezilla will detect the private address and substitute the address used on the IP layer. If I set the masquerade, then I can't connect inside my LAN (since FileZilla won't substitute a private address for a public one)
pugilares wrote: As your server works in passive mode - did you setup ftp masquerade?
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