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Chapter 28. Implementing Server Security... > Performing Network Diagnostics: Netw...

Performing Network Diagnostics: Network Utility

Unix-based operating systems are inherently networked operating systems from the original design, so they have a rather complete suite of network diagnostic software that comes with the basic operating system by default. We cover interaction with the command-line versions of these tools in several chapters to come. Apple has also provided a convenient GUI tool that functions as a front end to many of the diagnostics that the command-line tools can perform. Although it doesn't provide access to the complete range of options for each of the commands, the Network Utility application (path: /Applications/Utilities/Network Utility) is convenient for those who don't care to remember the syntax of command-line tools. The drawbacks are the need to navigate multiple windows to access the tool and the requirement for a graphical interface, whereas the command-line tools can be accessed to determine the health of your network from any machine with a network connection. The Network Utility application provides access to network diagnostics, which are described in the following sections:

  • Info

  • Netstat

  • AppleTalk

  • Ping

  • Lookup

  • Traceroute

  • Whois

  • Finger

  • Port Scan


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