Forwarding non-standard ssh port to standard ssh port internal (remote SFTP Server)

Question

Hi all, 
 # XG330 
 I have a project to set up an SFTP server to transfer data securely from a remote station to the SFTP server located in the DMZ.(Head Ofice) the server is installed, configured and integrated into the dmz. the remote client uses an sftp tool to automatically transfer data with a configured task, using : ipaddr: non-standard port 
 So I created a dnat rule as follows: 
 
 and I created the firewall rule as follows:

For more security the client will have to connect with a non-standard SFTP port, then the FW will have to do the port translation of the non-standard port to the default SSH port which is 22. the first connection tests were not successful! Impossible to connect Is there anything I forgot? Are there other particularities to take into account and adjust the configuration? 
 thanks

apijnappels · Answer

And also the internal SSH port instead of external. 
 PS Sofos network Changing the port used for SSH access does not increase security. It just keeps a small amount of scripts from finding the SSH-server but your SSH-access will still be found really quickly. Make sure to limit access as much as possible and use public/private keypairs to log on to the SSH-server to really increase security.

Forwarding non-standard ssh port to standard ssh port internal (remote SFTP Server)

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