ZyXEL Communications ZyWALL 2 Plus - Page 13

Table of Contents
ZyWALL 2 Plus User’s Guide
13
11.9.1 Firewall Edit Rule .............................................................................................. 196
11.10 Anti-Probing ............................................................................................................... 199
11.11 Firewall Thresholds ..................................................................................................... 200
11.11.1 Threshold Values .................................................................................................. 201
11.12 Threshold Screen ........................................................................................................... 201
11.13 Service .......................................................................................................................... 203
11.13.1 Firewall Edit Custom Service .............................................................................. 204
11.14 My Service Firewall Rule Example ................................................................................ 205
Chapter 12
Content Filtering Screens .................................................................................................... 211
12.1 Content Filtering Overview ...............................................................................................211
12.1.1 Restrict Web Features ............................................................................................211
12.1.2 Create a Filter List ...................................................................................................211
12.1.3 Customize Web Site Access ..................................................................................211
12.2 Content Filter General Screen .........................................................................................211
12.3 Content Filtering with an External Database ................................................................... 214
12.4 Content Filter Categories ..............................................................................................214
12.5 Content Filter Customization ........................................................................................ 221
12.6 Customizing Keyword Blocking URL Checking ............................................................... 223
12.6.1 Domain Name or IP Address URL Checking ......................................................... 223
12.6.2 Full Path URL Checking ......................................................................................... 224
12.6.3 File Name URL Checking ....................................................................................... 224
12.7 Content Filtering Cache .................................................................................................224
Chapter 13
Content Filtering Reports..................................................................................................... 227
13.1 Checking Content Filtering Activation .............................................................................. 227
13.2 Viewing Content Filtering Reports ................................................................................... 227
13.3 Web Site Submission .......................................................................................................232
Chapter 14
IPSec VPN.............................................................................................................................. 235
14.1 IPSec VPN Overview ..................................................................................................... 235
14.1.1 IKE SA Overview .................................................................................................... 236
14.2 VPN Rules (IKE) .............................................................................................................. 237
14.3 IKE SA Setup .................................................................................................................. 239
14.3.1 IKE SA Proposal .................................................................................................... 239
14.4 Additional IPSec VPN Topics ........................................................................................... 243
14.4.1 SA Life Time ........................................................................................................... 243
14.4.2 IPSec High Availability ........................................................................................... 244
14.4.3 Encryption and Authentication Algorithms ............................................................. 245
14.5 VPN Rules (IKE) Gateway Policy Edit ............................................................................. 245