[Info-vax] FTP/SSL from OpenVMS (client) to Unix Filezilla (server) failure

[gopalakrishnan]

OpenVMS Version 8.4
TCP/IP  Version V5.7 - ECO 2
FTP/SSL client - OpenVMS as above (my company)
FTP Server - Unix Filezilla (external service provider)
Server command port: 22
  (non standard port number dictated by external SP)
Servr data ports 5000-5099
Problem:
  Connection is successfully opened, but data transfers
  fails 

OpenVMS DCL commannd and responses below:

$ FTP/SSL server 22 /user=X /passw=Y

220-Welcome to the SFTP service.
220-
Connected to (server)
234 Using authentication type TLS
200 PBSZ=0
200 Protection level set to P
331 Password required for z
230 Logged on

FTP> cd /upload
250 CWD successful. "/upload" is current directory.

FTP> cd /download
250 CWD successful. "/download" is current directory.

FTP> cd /NoSuchFolder
550 CWD failed. "/NoSuchFolder": directory not found.

FTP> quote pasv
227 Entering Passive Mode (nnn,nnn,34,121,19,220)

FTP> enable log
Bell off.
Debugging on (debug=1).

(all the above work,
 but the following fails 
 ..and also a "get" of a file I know exists in one of the folders)

FTP> dir
--->  PORT 10,1,133,79,192,45
200 Port command successful
--->  LIST
150 Opening data channel for directory list.
%TCPIP-E-FTP_DATACONF, cannot establish data connection with remote host
-SYSTEM-F-CONNECFAIL, connect to network object timed-out or failed
425 Can't open data connection.

   (10.1.133.79 is the company-internal IP of the OpenVMS virtual machine and not of the firewall/ISA)


--http://compgroups.net/comp.os.vms/