I was having an issue with the latest sysadmin intrusion detection module in FreePBX. Fail2Ban was having problems starting as follows:fail2ban-client startERROR /etc/fail2ban/filter.d/freepbx.conf and /etc/fail2ban/filter.d/freepbx.local do not existERROR Unable to read the filterERROR Errors in jail 'pbx-gui'. Skipping...An upgrade turns out to fix the issue. Run yum update fail2ban, restart it, and you should be good.Email me if you have any issues. [...]