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Port Blocker
Port Blocker allows the selective enabling and disabling of ports. This
can restrict or allow the use of certain applications such as email,
peer-to-peer music sharing and instant messenger chat. By default
Port Blocker allows all ports.
Figure 3-14: Port Blocker Commands
Note: Port Blocker is not a firewall. NetPurifier is
designed to sit inside the trusted network. It will
block ports to and from the firewall to control
application access but is not designed to protect
the network from outside factors.