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BCM 4.0 Networking Configuration Guide
Chapter 67
Configuring IP Filter Rules
The BCM IP Filter Rules feature is one of the security features BCM offers to protect networks
against intruders and to optionally provide DiffServ Marking. The security and IP Filters features
include IP Firewall functionality and are also used for controlling what outside resources users are
able to access.
The following path indicates where to access the Filter Rule settings in Element Manager:
Element Manager: Configuration > Data Services > NAT and Filters
Refer to the following topics:
• Default Rules
• “Inbound Rules” on page 627
• “Outbound Rules” on page 634
Default Rules
Default rules are provided which block all connections for inbound requests and allow all
connections for outbound requests.
Note: When IP policy filters are globally enabled, any default rule that allows
traffic is considered stateful. If you globally disable IP policy filters, all
stateful rules are flushed immediately.
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