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-rw-r--r--system/passwdqc/README9
1 files changed, 9 insertions, 0 deletions
diff --git a/system/passwdqc/README b/system/passwdqc/README
index b1f991eaae..0b5c707b85 100644
--- a/system/passwdqc/README
+++ b/system/passwdqc/README
@@ -8,5 +8,14 @@ pwqcheck and pwqgen are standalone password/passphrase strength
checking and random passphrase generator programs, respectively,
which are usable from scripts.
+pam_passwdqc is a simple password strength checking module for
+PAM-aware password changing programs, such as passwd(1).
+
libpasswdqc is the underlying library, which may also be used
from third-party programs.
+
+To enable pam_passwdqc in Slackware you need to replace any other
+password strength checking PAM modules like pam_pwquality.so in
+/etc/pam.d/system-auth with the following line:
+
+password requisite pam_passwdqc.so