Tip of the Trade: Setting Password Policy With PAM
Sep 15, 2008, 23:32 (1 Talkback[s])
(Other stories by Juliet Kemp)
"The credit system involves giving "length credits" for using
non-lowercase characters (so you can have a shorter password than
the minimum length if it uses non-lowercase characters), but this
can be confusing for users, so it may be best to just require
certain types of character."