Install ftp-proxy-doc by entering the following commands in the terminal:
sudo apt update sudo apt install ftp-proxy-doc
Description:
documentation for ftp-proxy
FTP-Proxy is a transparent, application-level proxy server for FTP connections, designed to protect FTP servers against attacks based on the FTP protocol. It is the first (and currently only) component of the SuSE Proxy Suite, a set of programs to enhance firewall security. . This package contains the documentation in PDF and HTML for ftp-proxy.
Version: 1.9.2.4-10build1
Section: universe/doc