如何大致判断对方电脑的操作系统类型?

       ping一下百度:



C:\Documents and Settings\Administrator>ping www.baidu.com


Pinging www.a.shifen.com [61.135.169.125] with 32 bytes of data:


Reply from 61.135.169.125: bytes=32 time=46ms TTL=54
Reply from 61.135.169.125: bytes=32 time=42ms TTL=54
Reply from 61.135.169.125: bytes=32 time=42ms TTL=54
Reply from 61.135.169.125: bytes=32 time=43ms TTL=54


Ping statistics for 61.135.169.125:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 42ms, Maximum = 46ms, Average = 43ms


C:\Documents and Settings\Administrator>


        从TTL的值可以判断出百度服务器是linux服务器。 打开百度,再执行:netstat -nao | findstr 61.135.169.125,  发现结果如下:



C:\Documents and Settings\Administrator>netstat -nao | findstr 61.135.169.125
  TCP    192.168.1.105:2020     61.135.169.125:80      ESTABLISHED     5636


C:\Documents and Settings\Administrator>


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