pam_faildelay 8 Linux-PAM Manual pam_faildelay Change the delay on failure per-application pam_faildelay.so debug delay=microseconds pam_faildelay is a PAM module that can be used to set the delay on failure per-application. If no delay is given, pam_faildelay will use the value of FAIL_DELAY from /etc/login.defs. debug Turns on debugging messages sent to syslog. delay=N Set the delay on failure to N microseconds. Only the auth service is supported. PAM_IGNORE Delay was successful adjusted. PAM_SYSTEM_ERR The specified delay was not valid. The following example will set the delay on failure to 10 seconds: auth optional pam_faildelay.so delay=10000000 pam_fail_delay3 , pam.conf5 , pam.d8 , pam8 pam_faildelay was written by Darren Tucker <dtucker@zip.com.au>.