Secure/Lock accounts with PAM tally2

pam_tally2 is a PAM module to allow interaction in users interfaces on numbers of failed login attempt it can reset count on success, can deny access if too many attempts fail. this module is unique because it  not just reflect remote connection but also reflect the ttys and any system login method as it uses PAM example […]

password policy with pam_cracklib

cracklib pam module is a method to check the password against dictionary list and gives you availability to check the strength of the password and set rules to identify the poor passwords   here is the most important parameters for this module  minlen minimal password length dcredit maximum number of digits ucredit maximum uppercase letters […]

Pluggable Authentication Modules

Linux comes with Pam Modules to help you to interact with the running services in hardening way and custom the security of the service as you need. PAM is extra Rules to Control user interfaces ( Auth, Account, Session)  layers for the applications the applications/services should be compiled with libpam.so here is an example for […]