ftpgroups(4)ftpgroups(4)NAMEftpgroups - group password file for use with the SITE GROUP and SITE
The file is the group password file for use with the SITE GROUP and
SITE GPASS commands.
To enable the use of this file, the entry must be made in the configu‐
This file contains an alphanumeric string, encrypted password, and the
actual group name from the file. Each entry is separated by After a
user logs in, the SITE GROUP and SITE GPASS commands may be used to
specify an enhanced access group and associated password. If the group
name and password are valid, the user becomes (via a member of the
group specified in the group access file,
The format of the group access file is:
where access_group_name is an arbitrary (alphanumeric and/or punctua‐
tion) string. encrypted_password is the password encrypted via
crypt(3), exactly like in real_group_name is the name of a valid group
NOTE: For this option to work for anonymous FTP users, the ftp server
must keep permanently open and the group access file is loaded into
memory. This means that:
(1) the ftp server now has an additional file descriptor open,
(2) the necessary passwords and access privileges granted to
users via SITE GROUP will be static for the duration of an
If you have an urgent need to change the access groups and/or passwords
*NOW*, then kill all of the running FTP servers.
was developed by the Washington University, St. Louis, Missouri.