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17. Server Operating System > Network Snooping Tools

Network Snooping Tools

Do you ever wish you could see what’s going across your network connection? The snoop utility that comes bundled with Solaris will show you exactly what’s being transmitted across your segment of the network. You have to be root to run it because it allows you to see absolutely everything, down to the content of the packets. tcpdump is a similar utility from the Stevens TCP/IP book with source code available from ftp://ftp.uu.net/. etherfind is another similar tool.

netstat

netstat shows the status of network connections. This is very valuable for determining which connections are up and whether you are wasting a lot of memory holding connection buffers for unused connections. On Linux,


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