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.

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Cyclades User's Guide manual Source or Destination IP and Mask