Siemens 5930 User's Guide download pdf (Page 71)

SIEMENS 5930/5935 Business Gateway

User’s Guide

Chapter 6 Security Setup

Stateful Firewall

SIEMENS 65

Stateful Firewall

Stateful Firewall varies from the IP Filtering Firewall in that it gathers and maintains state information about

each session. IP Filtering Firewall examines the packet’s header information and matches it against a set of

defined rules. If it finds a match, the corresponding action is performed. If not, the packet is accepted. Stateful

firewall intercepts outgoing packets and gathers information from them (for example IP address information,

port number) to create state information for that session. When an incoming packet is received, the Stateful

Firewall checks the packet against the state information it has maintained and accepts the packet if the packet

belongs to the session.

This section describes how to perform the following tasks.

Configure Stateful Firewall

Configure settings that control how the Stateful Firewall

performs.

Dropped Packets

View the most recent dropped packets.

Firewall Rules

Configure Stateful Firewall rules.

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Siemens 5930 User's Guide Page 71