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Table of Contents
ZyWALL 2WG User’s Guide
16
11.11 Firewall Thresholds ..................................................................................................... 261
11.11.1 Threshold Values .................................................................................................. 262
11.12 Threshold Screen ........................................................................................................... 262
11.13 Service .......................................................................................................................... 264
11.13.1 Firewall Edit Custom Service .............................................................................. 265
11.14 My Service Firewall Rule Example ................................................................................ 266
Chapter 12
Content Filtering Screens ....................................................................................................271
12.1 Content Filtering Overview .............................................................................................. 271
12.1.1 Restrict Web Features ........................................................................................... 271
12.1.2 Create a Filter List .................................................................................................. 271
12.1.3 Customize Web Site Access ................................................................................. 271
12.2 Content Filtering with an External Database ................................................................... 271
12.3 Content Filter General Screen ........................................................................................ 272
12.4 Content Filter Policy ..................................................................................................... 275
12.5 Content Filter Policy: General ......................................................................................... 277
12.6 Content Filter Policy: External Database ........................................................................ 278
12.7 Content Filter Policy: Customization ............................................................................... 285
12.8 Content Filter Policy: Schedule ...................................................................................... 287
12.9 Content Filter Object ..................................................................................................... 288
12.10 Customizing Keyword Blocking URL Checking ............................................................. 290
12.10.1 Domain Name or IP Address URL Checking ....................................................... 290
12.10.2 Full Path URL Checking ....................................................................................... 291
12.10.3 File Name URL Checking ..................................................................................... 291
12.11 Content Filtering Cache ............................................................................................... 291
Chapter 13
Content Filtering Reports.....................................................................................................293
13.1 Checking Content Filtering Activation .............................................................................. 293
13.2 Viewing Content Filtering Reports ................................................................................... 293
13.3 Web Site Submission .......................................................................................................298
Chapter 14
IPSec VPN..............................................................................................................................301
14.1 IPSec VPN Overview ..................................................................................................... 301
14.1.1 IKE SA Overview .................................................................................................... 302
14.2 VPN Rules (IKE) .............................................................................................................. 303
14.3 IKE SA Setup .................................................................................................................. 305
14.3.1 IKE SA Proposal .................................................................................................... 305
14.4 Additional IPSec VPN Topics ........................................................................................... 309
14.4.1 SA Life Time ........................................................................................................... 310
14.4.2 IPSec High Availability ........................................................................................... 310