[Twisted-Python] ftp passive mode returning internal IP

Paul Wiseman poalman at gmail.com
Tue Nov 20 15:47:08 EST 2012

This possibly has nothing to do with twisted, but maybe if not someone may
be able to point me in the right direction!

Basically I've set up a twisted FTP server on ec2, and when a client tries
to enter passive mode I'm getting this:

Response: 227 Entering Passive Mode (x,x,x,x,159,122).
Status: Server sent passive reply with unroutable address. Using server
address instead.

the x.x.x.x is the boxes private IP, rather than its public IP.

It's getting this from ln. 851 in twisted/protocols/ftp.py v12.2.0

Is there somehow I can change the way twisted is getting the IP, or is this
an issue with the server set up itself?

Any pointers or help on what to look/check for would be of huge help!


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