4.10. Hands-On Labs
The labs in this chapter are as follows:
Lab 4.1: View the Active TCP and UDP Ports
Lab 4.2: Run Windows Network Monitor
Lab 4.3: Install snort in Linux
Lab 4.4: Make File Extensions Visible in Windows XP
Lab 4.5: Monitor Network Traffic in Linux
4.10.1. Lab 4.1: View the Active TCP and UDP Ports
As an administrator, you should know what ports are active on your server. The following lab will display this information:
Go to a command prompt. On a Windows-based server, enter CMD at the Run prompt; on a Linux server, open a command window.
Enter the command netstat.
Few items should appear. Now enter the command netstat -a. The -a parameter tells the netstat command to display all the information.
Note the ports that are listed. ...
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