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+pam_ftp — PAM module for anonymous access module
+
+━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+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.
+
+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
+
+
+AUTHOR
+
+pam_ftp was written by Andrew G. Morgan <morgan@kernel.org>.
+