pam_faildelay

sets authentication failure delay

Set authentication delay

$ auth optional pam_faildelay.so delay=3000000

Short delay

$ auth optional pam_faildelay.so delay=1000000

pam_faildelay.so [options]

pam_faildelay sets authentication failure delay. Adds delay after failed login.
The module slows brute force attacks. Configurable delay time.

delay=MICROSECONDS

Delay in microseconds (1000000 = 1 second).

Delay in microseconds. Affects all failures. May impact user experience.

pam_faildelay was created to slow brute force attacks with configurable delays.