Not shown: 975 closed ports
PORT STATE SERVICE VERSION
21/tcp open ftp vsftpd 2.0.5
22/tcp open ssh OpenSSH 4.3 (protocol 2.0)
25/tcp open smtp Postfix smtpd
42/tcp filtered nameserver
53/tcp open domain ISC BIND 9.3.4-P1
80/tcp open http Apache httpd 2.2.3 ((CentOS))
110/tcp open pop3 Cyrus pop3d 2.3.7-Invoca-RPM-2.3.7-2.el5
111/tcp open rpcbind 2 (rpc #100000)
135/tcp filtered msrpc
139/tcp filtered netbios-ssn
143/tcp open imap Cyrus imapd 2.3.7-Invoca-RPM-2.3.7-2.el5
161/tcp filtered snmp
179/tcp filtered bgp
443/tcp open ssl/http Apache httpd 2.2.3 ((CentOS))
993/tcp open imaps?
995/tcp open pop3s?
1028/tcp filtered unknown
1080/tcp filtered socks
2000/tcp open sieve Cyrus timsieved 2.3.7-Invoca-RPM-2.3.7-2.el5 (included w/cyrus imap)
3128/tcp filtered squid-http
3306/tcp open mysql MySQL 5.0.45-log
6666/tcp filtered irc
6667/tcp filtered irc
6668/tcp filtered irc
9999/tcp open raid-mgt Promise Array Manager RAID management