PAM_FTP(8) Linux-PAM Manual PAM_FTP(8)
NAME
pam_ftp - PAM module for anonymous access module
SYNOPSIS
pam_ftp.so [debug] [ignore] [users=XXX,YYY,...]
DESCRIPTION
pam_ftp is a PAM module which provides a pluggable anonymous ftp mode of access.
This module intercepts the user's name and password. If the name is ftp or anonymous, the user's password is
broken up at the @ delimiter into a PAM_RUSER and a PAM_RHOST part; these pam-items being set accordingly. The
username (PAM_USER) is set to ftp. In this case the module succeeds. Alternatively, the module sets the
PAM_AUTHTOK item with the entered password and fails.
This module is not safe and easily spoofable.
OPTIONS
debug
Print debug information.
ignore
Pay no attention to the email address of the user (if supplied).
ftp=XXX,YYY,...
Instead of ftp or anonymous, provide anonymous login to the comma separated list of users: XXX,YYY,....
Should the applicant enter one of these usernames the returned username is set to the first in the list:
XXX.
MODULE TYPES PROVIDED
Only the auth module type is provided.
RETURN VALUES
PAM_SUCCESS
The authentication was successful.
PAM_USER_UNKNOWN
User not known.
EXAMPLES
Add the following line to /etc/pam.d/ftpd to handle ftp style anonymous login:
#
# ftpd; add ftp-specifics. These lines enable anonymous ftp over
# standard UN*X access (the listfile entry blocks access to
# users listed in /etc/ftpusers)
#
auth sufficient pam_ftp.so
auth required pam_unix.so use_first_pass
auth required pam_listfile.so \
onerr=succeed item=user sense=deny file=/etc/ftpusers
SEE ALSO
pam.conf(5), pam.d(5), pam(8)
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