ZyXEL Communications P-312 manual 13-1, Firewall and Content Filters

		P312 Broadband Security Gateway
12.2	Telnet Under NAT		12-1
12.3	Telnet Capabilities		12-1
12.3.1		Single Administrator	12-1
12.3.2		System Timeout	12-2
12.4	Telnet Under the Firewall		12-2
Firewall and Content Filters			IV
Chapter 13 What is a Firewall			13-1
13.1	Types of Firewalls		13-1
13.1.1		Packet Filtering Firewalls	13-1
13.1.2		Application-level Firewalls	13-1
13.1.3		Stateful Inspection firewalls	13-2
13.2	Introduction to ZyXEL’s Firewall		13-2
13.3	Denial of Service		13-3
13.3.1		Basics	13-3
13.3.2		Types of DoS attacks	13-4
13.4	Stateful Inspection		13-6
13.4.1		Stateful Inspection Process	13-7
13.4.2		Stateful Inspection & the Prestige	13-8
13.4.3		TCP Security	13-8
13.4.4		UDP/ICMP Security	13-9
13.4.5		Upper Layer Protocols	13-9
13.5	Guidelines For Enhancing Security With Your Firewall		13-9
13.5.1		Security In General	13-10
Chapter 14		Introducing the Prestige Firewall	14-1
14.1	SMT Menus		14-1
14.1.1		View Firewall Log	14-2
14.1.2		Attack Types	14-2
14.2	The Big Picture – Filtering, Firewall and NAT		14-5
14.3	Packet Filtering Vs Firewall		14-6
14.3.1		Packet Filtering:	14-6
14.3.2		Firewall:	14-7
Chapter 15		Introducing the Prestige Web Configurator	15-1
15.1	Web Configurator Login and Welcome Screens		15-1
15.2	Enabling the Firewall		15-2
Table Of Contents			xiii