
Chapter 67 Configuring IP Filter Rules 625
BCM 4.0 Networking Configuration Guide
• Enabled - Block incoming including IP phones
Blocks all traffic on this interface that is initiated from the inbound direction, including IP
telephony traffic.
The default is Disabled - Pass all.
Configuring IP Filters for an interface
The following describes how to enable and configure IP Filters.
Refer to the following information:
• “To add an inbound filter” on page 628
• “To modify an inbound filter” on page 629
• “To delete an inbound filter” on page 629
• “To add an outbound filter” on page 644
• “To modify an outbound filter” on page 644
• “To delete an outbound filter” on page 644
• “Configuring the order of the inbound and outbound filters for an interface” on page 645
To enable IP filters
1 Click Configuration > Data Services > NAT and Filters > Global Settings tab. See
Figure 203.
2 Select the Enable IP Policy Filters check box.
For outbound rules configure the following:
Refer to Table 24 for an explanation of these fields.
1 Select the quality level of the video classification from the H.323 Video traffic classification
drop-down list.
2 Enable or disable the Mark voice and video signalling check box.
3 Enable or disable the Mark voice and video media check box.
Note: Setting an Inbound Rule that blocks all incoming packets and disabling the
Default Rules is not the same as enabling the Default Rules.
When block all incoming packets and disable the Default Rules is selected, packets
that originate from inside the Firewall are not treated as Stateful. When a response
packet is returned, it will not match the Inbound Rule and will be blocked.
When you enable the Default Rules, packets that originate from inside the Firewall are
treated as Stateful. When a response packet is returned, it will match the existing state
and will be passed.
Note: You can configure rules several ways; using default rules, setting up individual
rules, or a combination of the two.
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