[arin-announce] IPv4 Address Space (fwd)

Wed Oct 29 21:58:47 UTC 2003

Owen DeLong wrote:
> 
> It's much the
> same problem as FTP.  The reason FTP doesn't BORK is because most NAT
> gateways understand about the need to proxy FTP and because PASSIVE mode
> FTP doesn't have the same call-setup problems.

Passive mode has the same problems that PORT FTP does. It just pushes the
problems to the server end. If you put a FTP server behind a NATed address,
you'll need to proxy PASV (and also inverse to the client behind NAT, PORT
needs none at the server end).
-- 
Crist J. Clark                               crist.clark at globalstar.com
Globalstar Communications                                (408) 933-4387

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