如何打开端口?
我有ubuntu 12.04,但我无法在防火墙中允许某些端口。所以我基本上说我会允许一切,但仍然无法正常工作。请帮忙。从另一台机器上的这台机器上的nmap说: $ nmap host_name Not shown: 996 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 139/tcp open netbios-ssn 445/tcp open microsoft-ds 这是同一台机器上的nmap $ nmap localhost Starting Nmap 5.21 ( http://nmap.org ) at 2014-01-21 11:14 PST Nmap scan report for localhost (127.0.0.1) Host is up (0.000080s latency). …