proftpd-mod-ldap - 1.3.8.c+dfsg-1 main

ProFTPD is a powerful modular FTP/SFTP/FTPS server. This File Transfer
Protocol daemon supports also hidden directories, virtual hosts, and
per-directory ".ftpaccess" files. It uses a single main configuration
file, with a syntax similar to Apache.
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Because of the advanced design, anonymous-FTP directories can have
an arbitrary internal structure (bin, lib, etc, and special files are
not needed). Advanced features such as multiple password files and
upload/download ratios are also supported.
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This package provides LDAP based authentication.