Avaya 3.7 User Manual download pdf (Page 163)

Issue 4 May 2005 163

Chapter 8: Establishing security

This chapter describes the VPNmanager security measures you can configure to establish a

secure domain. Included in this chapter is how to set up the following:

● Firewall rules set up (4.2 and later)

● Denial of Service (4.X)

● Services

● Voice Over IP controls (4.X only)

● QoS policy and QoS mapping (4.31)

● Packet Filtering (3.x only)

Firewall rules set up

Use the Firewall Rules feature to manage the firewall rules that the domain and the security

gateway uses. VPNmanager firewall policy management minimizes configuration complexity

and increases scalability. The firewall policy allows deployment of a secure network

infrastructure in a relatively short amount of time.

The security gateway uses a rules-based method of packet inspection, where the priority of

each rule is determined by its position in the list (highest is top priority). The first match

determines the fate of the packet: permit or deny. If no matching rule is found, the default action

is to permit the packet.

Note:

Note: For devices with VPNos 4.1 and earlier, domain level rules and firewall templates

are not available. See Voice Over IP on page 175

Levels of firewall policy management

The Firewall Rules tab is used to manage the firewall rules both at the domain level and at the

individual device level in the domain. You can view the Firewall rules and add or edit rules from

the VPNmanager Configuration Console>View>Firewall command. Firewall policy management

includes domain firewall rules, device firewall rules, and firewall templates.

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Avaya 3.7 User Manual Page 163