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ProFTP Version 1.8 - FTP client

Date: 13 January 2003

Labtam is pleased to present a new software update for ProFTP now - Version 1.8.
It is our first major release for the 2003 year.

ProFTP is a file transfer program which allows you to transfer files between your PC and a remote computer using the ARPANET standard File Transfer Protocol. The program can transfer files in two different format types: ASCII format is used for text files, and Binary format is used for image files.

FTP must run on a machine that is configured for TCP/IP network communication or Internet access. Access can be gained through Winsock and the use of any dial-up provider, a Remote Access Server (RAS), or a direct connection via a local area network that supports TCP/IP. In order for FTP to communicate with a remote computer, that computer must have a server implementation of FTP (FTP server based on TCP/IP transports).

You can be connected to only one remote computer at a time during a FTP session. However, you can run multiple FTP sessions (FTP clients) simultaneously in separate windows, with each session connected to a different host.

New Features on this release include:

1. The following enhancements have been made :

1. FTP :
- the EPLF directory listing format was added;

2. The following bugs have been fixed :

1. Xwppeg :
- the incorrect "Number of allowed host has been exceeded." message is suppressed.

Undocumented Features

1. Ftp :
- FTP connections (in the "non-Passive", default, mode) may be made through an existing SSH connection with prepared Forwarded ports.
This way does not require especial Telnet/SSH facility and may be used with any SSH-client which provide traditional Forwarding.
All settings are made manually.
Let's assume that you need to access the remote host (say, 192.168.136.41) via FTP, and SSH connection is made with the SSH daemon which is on another remote host (say, 192.168.136.34), and each host is directly accessible one from another (192.168.136.41 <-> 192.168.136.34).
Also, you should know two free ports on local machine (say, 21 and 4444) and one on the remote host connected via SSH (say, 5555 on 192.168.136.34). At first, two forwardings must be made via SSH-Client facility. Local-to-Remote: "21->192.168.136.41/21" (that in natural for FTP) and Remote-to-Local Forwarding: "4444<-5555".
After that you must add two lines to the "[FTP]" section in the "xwp.ini" file:
"IP_SSH_FWD=192.168.136.34" and "PORT_SSH_FWD=5555,4444" (i.e., set the remote and local ports).
Now the FTP may be started. The "host" field must contain "localhost" or "127.0.0.1". The "non-Passive" mode must be set up (i.e. the "Passive Transfer" check box is unchecked).
After "Connect" the FTP will be connected with "192.168.136.41" without any direct network access (only via SSH connection).

Known problems

1. Uninstallation :
- the uninstallation procedure does not remove components which were installed in additional (non-first) installation sessions. Such additional components should be removed manually.

2. Lpd :
- printers on the remote MS Windows NT 4 hosts are unavailable from the local host under MS Windows NT 4 .

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