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NetBSD 6.1.5 - man page for ftpusers (netbsd section 5)

FTPUSERS(5)			     BSD File Formats Manual			      FTPUSERS(5)

     ftpusers, ftpchroot -- ftpd(8) access control file

     The ftpusers file provides user access control for ftpd(8) by defining which users may

     If the ftpusers file does not exist, all users are denied access.

     A ``\'' is the escape character; it can be used to escape the meaning of the comment charac-
     ter, or if it is the last character on a line, extends a configuration directive across mul-
     tiple lines.  A ``#'' is the comment character, and all characters from it to the end of
     line are ignored (unless it is escaped with the escape character).

     The syntax of each line is:
	   userglob[:groupglob][@host] [directive [class]]

     These elements are:

	   userglob   matched against the user name, using fnmatch(3) glob matching (e.g, 'f*').

	   groupglob  matched against all the groups that the user is a member of, using
		      fnmatch(3) glob matching (e.g, '*src').

	   host       either a CIDR address (refer to inet_net_pton(3)) to match against the
		      remote address (e.g, ''), or an fnmatch(3) glob to match against
		      the remote hostname (e.g, '*.NetBSD.org').

	   directive  If ``allow'' or ``yes'' the user is allowed access.  If ``deny'' or ``no'',
		      or directive is not given, the user is denied access.

	   class      defines the class to use in ftpd.conf(5).

     If class is not given, it defaults to one of the following:

	   chroot  If there is a match in /etc/ftpchroot for the user.

	   guest   If the user name is ``anonymous'' or 'ftp'.

	   real    If neither of the above is true.

     No further comparisons are attempted after the first successful match.  If no match is
     found, the user is granted access.  This syntax is backward-compatible with the old syntax.

     If a user requests a guest login, the ftpd(8) server checks to see that both ``anonymous''
     and ``ftp'' have access, so if you deny all users by default, you will need to add both
     ``anonymous allow'' and ``ftp allow'' to /etc/ftpusers in order to allow guest logins.

     The file /etc/ftpchroot is used to determine which users will have their session's root
     directory changed (using chroot(2)), either to the directory specified in the ftpd.conf(5)
     chroot directive (if set), or to the home directory of the user.  If the file does not
     exist, the root directory change is not performed.

     The syntax is similar to ftpusers, except that the class argument is ignored.  If there's a
     positive match, the session's root directory is changed.  No further comparisons are
     attempted after the first successful match.  This syntax is backward-compatible with the old

     /etc/ftpchroot			List of normal users who should have their ftp session's
					root directory changed by using chroot(2).
     /etc/ftpusers			This file.
     /usr/share/examples/ftpd/ftpusers	A sample ftpusers file.

     fnmatch(3), inet_net_pton(3), ftpd.conf(5), ftpd(8)

BSD					  July 17, 2000 				      BSD

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