Yes, I can't seem to figure it out. I have fail2ban installed. It seems as though port 20 is blocked, but it is not on my firewall. Could it be fail2ban or iptables? I haven't made any changes to them lately...
clientcomputer:~ username$ telnet mysite.com 20
telnet: connect to address mysite.com: Connection refused
telnet: Unable to connect to remote host