Interesting ports on rrcs-67-52-47-66.west.biz.rr.com (67.52.47.66):
Not shown: 1679 filtered ports
PORT     STATE  SERVICE               VERSION
21/tcp   open   ftp                   vsftpd 2.0.5
22/tcp   open   ssh                   OpenSSH 4.3p2 Debian 9 (protocol 2.0)
23/tcp   open   telnet                Linux telnetd
25/tcp   open   smtp                  Exim smtpd 4.63
53/tcp   open   domain
80/tcp   open   http                  Apache httpd 2.2.3 ((Debian) PHP/5.2.0-8+e
tch10 mod_ssl/2.2.3 OpenSSL/0.9.8c)
110/tcp  open   pop3                  Dovecot pop3d
113/tcp  open   ident                 OpenBSD identd
143/tcp  open   imap                  Dovecot imapd
443/tcp  open   ssl/http              Apache httpd 2.2.3 ((Debian) PHP/5.2.0-8+e
tch10 mod_ssl/2.2.3 OpenSSL/0.9.8c)
902/tcp  closed iss-realsecure-sensor
1022/tcp open   ssh                   OpenSSH 4.3p2 Debian 9 (protocol 2.0)
3389/tcp open   ms-term-serv?
5900/tcp open   vnc                   VNC (protocol 3.3)
5901/tcp closed vnc-1
5902/tcp closed vnc-2
5903/tcp closed vnc-3
6543/tcp open   apcnisd               apcupsd