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| ZyWALL 10 Internet Security Gateway |
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11.2 | Call Control Support ................................................................................................................ | |||
11.2.1 | Budget Management......................................................................................................... | |||
11.2.2 | Call History ...................................................................................................................... | |||
11.3 | Time and Date Setting.............................................................................................................. | |||
How often does the ZyWALL update the time?............................................................................... | ||||
11.4 | Remote Management Setup...................................................................................................... | |||
11.5 | Boot Commands ....................................................................................................................... | |||
Chapter 12 Telnet Configuration and Capabilities ............................................................................. | ||||
12.1 | About Telnet Configuration...................................................................................................... | |||
12.2 | Telnet Under NAT.................................................................................................................... | |||
12.3 | Telnet Capabilities.................................................................................................................... | |||
12.3.1 | Single Administrator ........................................................................................................ | |||
12.3.2 | System Timeout................................................................................................................ | |||
12.4 | Telnet Behind the Firewall ....................................................................................................... | |||
Firewall and Content Filters ......................................................................................................................... | ||||
Chapter 13 What is a Firewall? ............................................................................................................ | ||||
13.1 | Types of Firewalls .................................................................................................................... | |||
13.1.1 | Packet Filtering Firewalls................................................................................................. | |||
13.1.2 | ||||
13.1.3 | Stateful Inspection Firewalls ............................................................................................ | |||
13.2 | Introduction to ZyXEL’s Firewall............................................................................................ | |||
13.3 | Denial of Service ...................................................................................................................... | |||
13.3.1 | Basics................................................................................................................................ | |||
13.3.2 Types of DoS attacks........................................................................................................ | ||||
13.4 | Stateful Inspection.................................................................................................................... | |||
13.4.1 | Stateful Inspection Process............................................................................................... | |||
13.4.2 Stateful Inspection & the ZyWALL ................................................................................. | ||||
13.4.3 | TCP Security .................................................................................................................... | |||
13.4.4 | UDP/ICMP Security......................................................................................................... | |||
13.4.5 | Upper Layer Protocols...................................................................................................... | |||
13.5 | Guidelines For Enhancing Security With Your Firewall.......................................................... | |||
13.5.1 | Security In General......................................................................................................... | |||
Chapter 14 Introducing the ZyWALL Firewall .................................................................................. |
Table of Contents | xiii |