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Many enviroments are switching from the Network Information Service (NIS) system over to the Lightweight Directory Access Protocol (LDAP) for sharing their network information (login names, passwords, home directories, group information) to all of the machines on the network. NIS was formerly known as Sun Yellow Pages (YP).
This package implements several utilites that provide functional equivalents to utilities from the yp-tools and util-linux-ng package.
pam_mount is a Pluggable Authentication Module that can mount volumes for a user session (login). Supports mounting local filesystems of any kind the normal mount utility supports, with extra code to better support CIFS, FUSE, various crypto, and more.
The LDAP proxy is designed to be the part of the email encryption infrastructure which would simplify finding and using public encryption keys contained in X.509 public certificates.
This module provides single sign-on behavior. The user types a passphrase when logging in and is allowed in if it decrypts the user's SSH private key. An ssh-agent is started and keys are added. For the entire session, the user types no more passwords.
PLEASE GO TO https://github.com/deksai/pam_abl
A PAM module that provides auto blacklisting of hosts and users responsible for repeated failed authentication attempts. Generally configured so that blacklisted users still see normal login prompts but are guaranteed to fail to authenticate.
*NOTE* Migrated to http://github.com/cracklib/cracklib
Next generation version of libCrack password checking library. As of Oct 2008 (reflected in 2.8.15 code release), licensed under LGPL.
/usr/bin/passwd offers a "safe way" for root to edit /etc/passwd (or shadow). If setuid it allows regular users to change passwd without asking root to do changes for them.
(note: does have learning curve on args to choose)
gnupasswd - gnu change user password
gnugpasswd - gnu change group password
gnupasswd(1) has a goal to work with older login.c/linux and some newer too, also "getpwent" (any glibc). or help convert.
gnupassd does pass only: leaves all else alone (compat). ...
Configure Unix users and groups in a MySQL database. It is system-wide like NIS or LDAP! It features open-ended database design and persistent connections. Works with NSS-compatible systems (Linux, Solaris, FreeBSD).
The WiKID Strong Authentication System is a public-key based two-factor authentication system. It is a flexible, extensible, and secure alternative to tokens, certs and passwords. Application & API support exists for Java, ASP, PHP, Ruby, OpenVPN, TACACS+, etc.
Read our eGuide on how to setup your network with two-factor authentication: http://www.wikidsystems.com/learn-more/two-factor-authentication-white-papers
Authentication, Access Control, and Single Sign-On
DACS,a light-weight single sign-on and role-based security system for Apache or server-based software, provides comprehensive authentication capabilities, and powerful, transparent rule-based authorization checking for any web service or CGI program.
The latest release is DACS 1.5.1 (26-Oct-2025)
It is not available here!
Get it at https://dacs.dss.ca/download.html
mysql auth_ldap is an authentication plugin for the MySQL server. It allows you to create SQL users that are going to be authenticated using a LDAP server. This allows to minimize administrative duties, since your users will be able to reuse their existing account to access the database. The plugin requires MySQL 5.5.7 and up. It is compiled as an add on and does not require you to alter MySQL source code, or recompile the entire server.
pam_mobtok is a PAM module together with a J2ME midlet to realize authentification. A password is entered into the J2ME capable mobile device which then generates a token that is valid for a short time.
CAILogin (Counter AI Login) is an image-based user verification program for web-page logins. It's written in plain C with no special dependencies, and hence it's very suitable for embedded systems which lack "big" interpreted languages, such as PHP.
mod_authn_sasl is a SASL authentication backend provider module for the Apache 2.2 webserver. It provides password checking functionality for HTTP Basic Authentication. Username and password are checked against the SASL password checking backends.
Unlike most LDAP authentication solutions this module integrates into Jabberd14 server using its module API (JSM). It consists of two parts - module itself and XDB helper. This module supports versions 1.4 and 1.6 of jabberd.
A configurable system for synchronising multiple passwords of different types. Password quality can be imposed by using histories, cracklib based tests, and forcing certain passwords to be distinct. CGI and PAM modules exist for tight integration.
OpenLDAP overlay module which optionally handles the auto-incrementing of posixAccount uidNumber and gidNumber attributes when adding new accounts to the directory which do not have these attributes defined.
Apache authentication module for Citadel Groupware Server users. Allows the seamlessly authenticate users against the Citadel user database. Uses the native Citadel IPC protocol; features SSL/TLS support for secure communications to the Citadel server.