17.10. Using the netstat Utility

Using netstat is a great way to check out the inbound and outbound TCP/IP connections on your machine. You can also use it to view packet statistics like how many packets have been sent and received, the number of errors, and so on.

When used without any options, netstat produces output similar to the following, which shows all the outbound TCP/IP connections. This utility is a great tool to use to determine the status of outbound web connections. Take a look:

C:\Users\tlammle>netstat Active Connections Proto Local Address Foreign Address State TCP 10.100.10.54:49545 gnt-exchange:epmap TIME_WAIT TCP 10.100.10.54:49548 gnt-exchange:epmap TIME_WAIT TCP 10.100.10.54:49551 gnt-exchange:1151 ESTABLISHED TCP 10.100.10.54:49557 ...

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