https://www.microfocus.com/documentation/filr/filr-23.4/filr-inst/

/opt/novell/filr/apache-tomcat/webapps/desktopapp/novellfilr/

change /opt/novell/filr/apache-tomcat/webapps/ssf/WEB-INF/classes/config/ssf.properties

# Set failed.user.authentication.history = true to turn on tracking of failed authentications.
failed.user.authentication.history = true
# failed.user.authentication.history.max.user.size is the number of failed authentications we will keep a history of per user
failed.user.authentication.history.max.user.size = 5
# brute.force.attack.in.last.num.seconds is specified in seconds.  For example we will look for a number of failed logins in the last x seconds
brute.force.attack.in.last.num.seconds = 1800
# brute.force.attack.num.failed.logins is the number of failed logins we are looking for.
brute.force.attack.num.failed.logins = 15

##After how many attempts we can show captcha?
number.of.attempts.to.show.captcha=15

add to /opt/novell/filr/apache-tomcat/webapps/ssf/WEB-INF/classes/config/ssf-ext.properties for update persistence