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OPIELOGIN(1)					OPIELOGIN(1)

NAME
       opielogin - Replacement for login(1) that issues OPIE
       challenges.

SYNOPSIS
       opielogin [ -p ] [ -r hostname |	 -h  hostname  |  -f
       username
       | username ]

DESCRIPTION
       opielogin  provides  a  replacement  for the login(1)
       program that provides OPIE challenges  to  users	 and
       accepts	OPIE  responses.  It  is downward compatible
       with the keylogin(1) program from the Bellcore  S/Key
       Version	1  distribution, which, in turn, is downward
       compatible with the login(1) program from the  4.3BSD
       Net/2 distribution.

OPTIONS
       -p     By  default, login discards any previous envi‐
	      ronment.	The -p option disables	this  behav‐
	      ior.

       -r     Process remote login from hostname.

       -h     The  -h  option  specifies the host from which
	      the connection was received.  It	is  used  by
	      various  daemons	such  as  telnetd(8).	This
	      option may only be used by the super-user.

       -f     The -f option is used  when  a  user  name  is
	      specified	 to indicate that proper authentica‐
	      tion has already been done and that  no  pass‐
	      word  need be requested.	This option may only
	      be used by the super-user or when	 an  already
	      logged in user is logging in as themselves.

       username
	      The user name to log in as.

EXAMPLE
       wintermute$ opielogin
       login: kebe
       otp-md5 499 wi43143
       Password: (echo on)
       Password:SLY BLOB TOUR POP BRED EDDY

		      Welcome to wintermute.

       wintermute$

FILES
       /etc/opiekeys -- database of information for the OPIE
       system.

       /etc/opieaccess -- list of safe and  unsafe  networks
       and masks to go with them.

       $HOME/.opiealways  --  presence makes OPIE for logins
       mandatory for the user.

SEE ALSO
       login(1),   opie(4),    opiekey(1),    opiepasswd(1),
       opieinfo(1),   opiesu(1),  opieftpd(8),	opiekeys(5),
       opieaccess(5)

AUTHOR
       Bellcore's S/Key was written by Phil  Karn,  Neil  M.
       Haller, and John S. Walden of Bellcore. OPIE was cre‐
       ated at NRL by Randall Atkinson,	 Dan  McDonald,	 and
       Craig Metz.

       S/Key  is a trademark of Bell Communications Research
       (Bellcore).

CONTACT
       OPIE is discussed on the Bellcore "S/Key Users" mail‐
       ing list. To join, send an email request to:

       skey-users-request@thumper.bellcore.com

7th Edition	      January 10, 1995		OPIELOGIN(1)

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