加拿大华人论坛 美国华人新闻Verifying Which Ports Are Listening on Linux
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nmap -sT -O localhost The output of this command looks like the following: 代码: Starting nmap V. 3.00 ( www.insecure.org/nmap/ )Interesting ports on localhost.localdomain (127.0.0.1):(The 1596 ports scanned but not shown below are in state: closed)Port State Service22/tcp open ssh111/tcp open sunrpc515/tcp open printer834/tcp open unknown6000/tcp open X11Remote OS guesses: Linux Kernel 2.4.0 or Gentoo 1.2 Linux 2.4.19 rc1-rc7)Nmap run completed -- 1 IP address (1 host up) scanned in 5 seconds
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