ZyXEL Communications 10, 50 Chapter 15 Logs

	ZYWALL 10/50 Internet Security Gateway
13.2.1	Rule Checklist ..................................................................................................................	13-1
13.2.2	Security Ramifications .....................................................................................................	13-2
13.2.3 Key Fields For Configuring Rules....................................................................................		13-2
13.3	Connection Direction............................................................................................................	13-3
13.3.1 LAN to WAN Rules .........................................................................................................		13-3
13.3.2 WAN to LAN Rules .........................................................................................................		13-4
13.4	Rule Summary......................................................................................................................	13-4
13.5	Predefined Services ..............................................................................................................	13-7
13.5.1	Creating/Editing Firewall Rules .....................................................................................	13-10
13.5.2 Source and Destination Addresses..................................................................................		13-11
13.6	Timeout ..............................................................................................................................	13-13
13.6.1 Factors Influencing Choices for Timeout Values ...........................................................		13-13
Chapter 14 Custom Ports......................................................................................................................		14-1
14.1	Introduction ..........................................................................................................................	14-1
14.2	Creating/Editing A Custom Port...........................................................................................	14-3
Chapter 15 Logs .....................................................................................................................................		15-1
15.1	Log Screen............................................................................................................................	15-1
Chapter 16 Example Firewall Rules.....................................................................................................		16-1
16.1	Examples ..............................................................................................................................	16-1
16.1.1 Example 1: Firewall Rule To Allow Web Service From The Internet .............................		16-1
16.1.2 Example 2: Small Office With Mail, FTP and Web Servers............................................		16-6
16.1.3 Example 3: DHCP Negotiation and Syslog Connection from the Internet.....................		16-12
Chapter 17 Content Filtering................................................................................................................		17-1
17.1	Categories.............................................................................................................................	17

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