fzsftp is part of FileZilla. It is used to handle SFTP (SSH File Transfer Protocol) connections. It usually gets called by FileZilla and is not intended to be used directly.
fzsftp is based on the psftp component of PuTTY.
SUPPORT
Please visit https://filezilla-project.org/ for further information. Report bugs only if you are using the latest version available from the FileZilla website.
COPYRIGHT
Copyright (C) 2004-2018 Tim Kosse Copyright (C) 1997-2018 Simon Tatham and the PuTTY team
FileZilla is distributed under the terms of the GNU General Public License version 2 or later.
Debian 13 (Trixie) to Debian 10 (Buster): the text shown here
Debian 9 (Stretch)
Debian 8 (Jessie)
Debian 7 (Wheezy) to Debian 6.0 (Squeeze)
Debian 5.0 (Lenny)
Debian 4.0 (Etch)
-1 until Debian 4.0 (Etch);
-2 until Debian 4.0 (Etch);
-4 until Debian 4.0 (Etch);
-6 until Debian 4.0 (Etch);
-C until Debian 4.0 (Etch);
-P until Debian 4.0 (Etch);
-V until Debian 4.0 (Etch);
-agent until Debian 4.0 (Etch);
-b until Debian 4.0 (Etch);
-batch until Debian 4.0 (Etch);
-bc until Debian 4.0 (Etch);
-be until Debian 4.0 (Etch);
-i until Debian 4.0 (Etch);
-l until Debian 4.0 (Etch);
-load until Debian 4.0 (Etch);
-noagent until Debian 4.0 (Etch);
-pgpfp until Debian 4.0 (Etch);
-pw until Debian 4.0 (Etch);
-v until Debian 4.0 (Etch).