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16 Chapter 1 • General Security Concepts: Access Control, Authentication, and Auditing
a valid username for that server, and a valid password for that
server.
3. Launch the application you are using (these notes are for
Ettercap).
4. In Ettercap, after you have launched the application with the –G
option and are at the initial screen, click Sniff and select the
Unified sniffing option.
5. Choose to monitor the appropriate network interface if you have
more than one interface configured. In Windows, pick the actual
network adapter, not the NDISWAN virtual connection.
6. You can then click Start and select Start sniffing. The screen
should look something like that shown in Figure 1.2.
Figure 1.2 Ettercap Main Screen
7. Your display should now begin to detect and record the network
activities on your LAN.
To capture the traffic to your e-mail server, you can do either of the
following:
www.syngress.com
