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在redhat 8上配置好了web和mail服务,mail是用的qmail+vpopmail+imap,用nmap扫描结果如下,请高手指点安全性
[root@localhost log]# nmap localhost
Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
Interesting ports on localhost (127.0.0.1):
(The 1591 ports scanned but not shown below are in state: closed)
Port State Service
22/tcp open ssh
25/tcp open smtp
80/tcp open http
110/tcp open pop-3
111/tcp open sunrpc
143/tcp open imap2
443/tcp open https
993/tcp open imaps
995/tcp open pop3s
3306/tcp open mysql
Nmap run completed -- 1 IP address (1 host up) scanned in 2 seconds |
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