[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-07-05

Configuring firewalls includes configuring both of the following:

How you configure your firewalls is largely dependent on the specific firewalls you use in your organization, but each firewall has common configuration requirements that are specific to Communications Server 2010. For a list of required firewall settings, see Firewall Requirements for External User Access in the Planning documentation. In addition to this information, follow the manufacturer's instructions for configuring each firewall. Ensure no packet shapers are present on either side of the Edge server. This can create problems (especially during the call setup process) due to the real time nature of nm-ocs-14-2nd scenarios.