[root@user7 ~]# nmap
www.psychz.net -O -P0
Starting Nmap 4.11 (
http://www.insecure.org/nmap/ ) at 2013-10-08 08:43 CST
Interesting ports on unassigned.psychz.net (199.15.112.
:
Not shown: 1665 filtered ports
PORT STATE SERVICE
20/tcp closed ftp-data
22/tcp open ssh
25/tcp open smtp
26/tcp open unknown
53/tcp open domain
80/tcp open http
110/tcp open pop3
125/tcp closed locus-map
143/tcp open imap
443/tcp open https
465/tcp closed smtps
587/tcp closed submission
993/tcp open imaps
995/tcp open pop3s
4321/tcp closed rwhois
一台web服务器 搞笑到连 邮件服务都在上面 25 110
22ssh管理端口 也没限制对公网开放 真是够糟糕