opie
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- /****************************************************************************
-
- Copyright (c) 1999 WU-FTPD Development Group.
- All rights reserved.
-
- Portions Copyright (c) 1980, 1985, 1988, 1989, 1990, 1991, 1993, 1994
- The Regents of the University of California.
- Portions Copyright (c) 1993, 1994 Washington University in Saint Louis.
- Portions Copyright (c) 1996, 1998 Berkeley Software Design, Inc.
- Portions Copyright (c) 1989 Massachusetts Institute of Technology.
- Portions Copyright (c) 1998 Sendmail, Inc.
- Portions Copyright (c) 1983, 1995, 1996, 1997 Eric P. Allman.
- Portions Copyright (c) 1997 by Stan Barber.
- Portions Copyright (c) 1997 by Kent Landfield.
- Portions Copyright (c) 1991, 1992, 1993, 1994, 1995, 1996, 1997
- Free Software Foundation, Inc.
-
- Use and distribution of this software and its source code are governed
- by the terms and conditions of the WU-FTPD Software License ("LICENSE").
-
- If you did not receive a copy of the license, it may be obtained online
- at http://www.wu-ftpd.org/license.html.
-
- $Id: opie,v 1.2 1999/08/27 15:01:24 wuftpd Exp $
-
- ****************************************************************************/
- * What is OPIE:
- "One-time Passwords In Everything" (OPIE) is a freely distributable
- software package originally developed at and for the US Naval Research
- Laboratory (NRL). Recent versions are the result of a cooperative effort
- between of NRL, several of the original NRL authors, The Inner Net, and
- many other contributors from the Internet community.
- OPIE is an implementation of the One-Time Password (OTP) System that is
- being considered for the Internet standards-track. OPIE provides a one-time
- password system. The system should be secure against the passive attacks
- now commonplace on the Internet (see RFC 1704 for more details). The system
- is vulnerable to active dictionary attacks, though these are not widespread
- at present and can be detected through proper use of system audit software.
- * wu-ftpd and OPIE:
- Wu-ftpd uses the opieaccess mechanism, which enables to choose the
- authentification method. Depending on the /etc/opieaccess file, you can use
- either standard password login or opie login. So an opie ftpd can be used
- as a normal ftpd if you have an opieaccess file which enables everybody to
- log in with standard password.
- First and foremost, make sure you have the latest version of OPIE. The
- latest version is available by anonymous FTP at:
- ftp://ftp.nrl.navy.mil/pub/security/opie
- and
- ftp://ftp.inner.net/pub/opie
- READ THE DOCUMENTATION, and build libopie.a
- Then edit config.h, and change the line #undef OPIE to #define OPIE.