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Web Manager for Administrators 235
Configuration
Source or Destination IP and Mask
If you fill in the “Source IP” field, incoming packets are filtered for the
specified IP address. If you fill in the “Destination IP” field, outgoing packets
are filtered for the specified IP address.
If you fill in either “Mask” field, incoming or outgoing packets are filtered for
IP addresses from the network in the specified netmask.
The source and destination IP and related fields are shown in the following
figure.
Protocol
You can select a protocol for filtering from the “Protocol” drop-down list,
which is shown in the following figure.
The additional fields that appear for each protocol are explained in the
following sections.
Numeric Protocol Fields
If you select Numeric as the protocol when specifying a rule, a text field
appears to the right of the menu for you to enter the desired number, as shown
in the following figure.
TCP Protocol Fields
If you select TCP as the protocol when specifying a rule, the additional fields
shown in the following figure appear for you to fill out at the bottom of the
form.