Edit file File name : perdition.conf Content :# Fail2Ban filter for perdition # # [INCLUDES] before = common.conf [Definition] _daemon=perdition.\S+ failregex = ^%(__prefix_line)sAuth: <HOST>:\d+->(\d{1,3}\.){3}\d{1,3}:\d+ client-secure=\S+ authorisation_id=NONE authentication_id=".+" server="\S+" protocol=\S+ server-secure=\S+ status="failed: (local authentication failure|Re-Authentication Failure)"$ ^%(__prefix_line)sFatal Error reading authentication information from client <HOST>:\d+->(\d{1,3}\.){3}\d{1,3}:\d+: Exiting child$ ignoreregex = # Author: Christophe Carles and Daniel Black Save