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Changing Port Blocker Configuration
Figure 3-15: Changing Port Blocker Configuration
Enabling Common Ports
To enable services such as FTP, email and instant messenger click
on the Yes button for the service and then click Change Port
Blocker Configuration. When Change Port Blocker Configuration
is clicked NetPurifier will close all ports and then open only the ports
that have been selected.
Note: Port Blocker will never block browser access to the
Internet (Port 80). Additionally certain ports are
required to be open to allow proper operation of
various applications.
Note: Port Blocker does not affect access to web based
email such as Hotmail or Yahoo Mail. Control of
web based email is accomplished through
Sensitivity Levels. Port Blocker does affect the
operation of client based email such as Outlook,
Outlook Express and Eudora.