DOC: Add database settings for fail2ban.conf to jail.conf(5) man page

man/jail.conf.5

@@ -121,6 +121,14 @@ This is used for communication with the fail2ban server daemon. Do not remove th
 .B pidfile
 PID filename.  Default: /var/run/fail2ban/fail2ban.pid.
 This is used to store the process ID of the fail2ban server.
+.TP
+.B dbfile
+Database filename. Default: /var/lib/fail2ban/fail2ban.sqlite3
+This defines where the persistent data for fail2ban is stored. This persistent data allows bans to be reinstated and continue reading log files from the last read position when fail2ban is restarted. A value of \fINone\fR disables this feature.
+.TP
+.B dbpurgeage
+Database purge age in seconds. Default: 86400 (24hours)
+This sets the age at which bans should be purged from the database.
 
 .SH "JAIL CONFIGURATION FILE(S) (\fIjail.conf\fB)"
 The following options are applicable to any jail. They appear in a section specifying the jail name or in the \fI[DEFAULT]\fR section which defines default values to be used if not specified in the individual section.