* Update fail2ban.markdown
Updated using more consistent paths for the filter and jail configuration.
Added additional checks to help confirm everything working as expected.
Added steps to unblock an IP address.
Updated jail conf file includes email alerts.
Removed the syslog section, this step is not required for fail2ban thus optional and only required if you want HA logs to be sent to syslog, should be covered by another page.
* Update fail2ban.markdown
* Update fail2ban.markdown
* Update fail2ban.markdown
* Update fail2ban.markdown
* Update fail2ban.markdown