On Thu, Jul 24, 2014 at 3:24 AM, Fabien Lenoir
wrote:
> I am trying to use Appengine (Java) to connect to a ftp server in
> passive mode.
> As you may known, passive mode use 2 simultanous connections : 1 on port
> 21, and another on port chosen by the server. The problem I encounter, is
> that the two connections are not done from the same IP, as Appengine Socket
> Api use a load balencer and therefore issues connections with different
> source IPs. The problem with this is that the FTP server simply deny IPs
> that haven't initiated connection on port 21.
> Is there any way to keep the same source IP for successive socket
> connection ?
>
No, there isn't. The best way would probably be to move your FTP code to an
external server or run it on a managed VM:
https://developers.google.com/appengine/docs/managed-vms/ . By running on a
managed VM you can connect using the same IP (of the hosting machine).
-
-Vinny P
Technology & Media Consultant
Chicago, IL
App Engine Code Samples: http://www.learntogoogleit.com
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