ZyXEL Communications ZyWALL5UTM 4.0 Chapter, Chapter, Chapter, Introduction to IPSec, Content Filtering Reports

	ZyWALL 5/35/70 Series User’s Guide
16.6.2 Full Path URL Checking .......................................................................		286
16.6.3 File Name URL Checking .....................................................................		286
Chapter 17
Content Filtering Reports ....................................................................................		290
17.1	Checking Content Filtering Activation ............................................................	290
17.2	Viewing Content Filtering Reports ..................................................................	290
17.3	Web Site Submission .....................................................................................	295
Chapter 18
Introduction to IPSec ...........................................................................................		298
18.1	VPN Overview ................................................................................................	298
18.1.1 IPSec ....................................................................................................		298
18.1.2 Security Association .............................................................................		298
18.1.3 Other Terminology ................................................................................		298
	18.1.3.1 Encryption ...................................................................................	298
	18.1.3.2 Data Confidentiality .....................................................................	299
	18.1.3.3 Data Integrity ...............................................................................	299
	18.1.3.4 Data Origin Authentication ..........................................................	299
18.1.4 VPN Applications ..................................................................................		299
	18.1.4.1 Linking Two or More Private Networks Together .........................	299
	18.1.4.2 Accessing Network Resources When NAT Is Enabled ...............	299
	18.1.4.3 Unsupported IP Applications .......................................................	299
18.2	IPSec Architecture .........................................................................................	300
18.2.1 IPSec Algorithms ..................................................................................		300
18.2.2 Key Management ..................................................................................		300
18.3	Encapsulation .................................................................................................	300
18.3.1 Transport Mode ....................................................................................		301
18.3.2 Tunnel Mode .........................................................................................		301
18.4	IPSec and NAT ...............................................................................................	301
Chapter 19
VPN Screens.........................................................................................................		304
19.1	VPN/IPSec Overview .....................................................................................	304
19.2	IPSec Algorithms ............................................................................................	304
19.2.1 AH (Authentication Header) Protocol ....................................................		304
19.2.2 ESP (Encapsulating Security Payload) Protocol ..................................		304
19.3 My ZyWALL ....................................................................................................		305
19.4	Remote Gateway Address .............................................................................	305
19.4.1 Dynamic Remote Gateway Address .....................................................		306
19.5	Nailed Up .......................................................................................................	306
19.6	NAT Traversal ................................................................................................	306
19.6.1 NAT Traversal Configuration .................................................................		307

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