Pluggable password strength checking for your servers

pam_passwdqc is a simple password strength checking module for PAM-aware password changing programs, such as passwd(1). In addition to checking regular passwords, it offers support for passphrases and can provide randomly generated ones. All features are optional and can be (re-)configured without rebuilding.

You may view the latest README and PLATFORMS files (both are also included in the archive below).

Download:

• pam_passwdqc 1.0.5 and its signature
• pam_passwdqc 1.0.4 and its signature
• pam_passwdqc 1.0.2 and its signature

These and older versions of pam_passwdqc are also available via FTP. The source code of pam_passwdqc may be browsed via CVSweb.

Follow this link for information on verifying the signatures.

We may help you integrate pam_passwdqc into your OS installs, please check out our services.

Contributed resources:

• passwdqc for OpenBSD, by Damien Miller
  (also available in the ports collection)
  This is a plugin password strength checker for OpenBSD's /usr/bin/passwd that uses the password complexity checking code from pam_passwdqc.
• pwdqc 1.4, by Wolfram Wagner
  A standalone program to call the password complexity checking functions of pam_passwdqc (e.g., from a website script).

pam_passwdqc has been integrated into FreeBSD 5.0+ and DragonFly BSD 2.2+. It is used on Owl, distributions by ALT Linux team, ASPLinux, and Annvix. Additionally, it is a part of Red Hat Enterprise Linux, CentOS, and Fedora, Debian GNU/Linux, SUSE Linux, and Gentoo Linux.

pam_passwdqc is a registered project with freshmeat and Ohloh.

You may want to check out these other PAM modules.

Support further work on this software with donations.

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