ZyXEL Communications ZyWALL 2 Plus - Manual (Page 13)

Table of Contents
ZyWALL 2 Plus User’s Guide
13
11.3.2 From VPN Packet Direction ................................................................................... 196
11.3.3 From VPN To VPN Packet Direction ...................................................................... 198
11.4 Security Considerations ................................................................................................... 199
11.5 Firewall Rules Example ................................................................................................... 200
11.6 Asymmetrical Routes ....................................................................................................... 201
11.6.1 Asymmetrical Routes and IP Alias ......................................................................... 202
11.7 Firewall Default Rule (Router Mode) ................................................................................ 202
11.8 Firewall Default Rule (Bridge Mode) .............................................................................. 204
11.9 Firewall Rule Summary ................................................................................................... 206
11.9.1 Firewall Edit Rule ................................................................................................. 208
11.10 Anti-Probing ..................................................................................................................211
11.11 Firewall Thresholds ..................................................................................................... 212
11.11.1 Threshold Values .................................................................................................. 213
11.12 Threshold Screen ........................................................................................................... 213
11.13 Service .......................................................................................................................... 215
11.13.1 Firewall Edit Custom Service .............................................................................. 216
11.14 My Service Firewall Rule Example ................................................................................ 217
Chapter 12
Content Filtering Screens .................................................................................................... 223
12.1 Content Filtering Overview .............................................................................................. 223
12.1.1 Restrict Web Features ........................................................................................... 223
12.1.2 Create a Filter List .................................................................................................. 223
12.1.3 Customize Web Site Access ................................................................................. 223
12.2 Content Filtering with an External Database ................................................................... 223
12.3 Content Filter General Screen ........................................................................................ 224
12.4 Content Filter Policy ..................................................................................................... 227
12.5 Content Filter Policy: General ......................................................................................... 229
12.6 Content Filter Policy: External Database ........................................................................ 230
12.7 Content Filter Policy: Customization ............................................................................... 237
12.8 Content Filter Policy: Schedule ...................................................................................... 239
12.9 Content Filter Object ..................................................................................................... 240
12.10 Customizing Keyword Blocking URL Checking ............................................................. 242
12.10.1 Domain Name or IP Address URL Checking ....................................................... 242
12.10.2 Full Path URL Checking ....................................................................................... 243
12.10.3 File Name URL Checking ..................................................................................... 243
12.11 Content Filtering Cache ............................................................................................... 243
Chapter 13
Content Filtering Reports..................................................................................................... 245
13.1 Checking Content Filtering Activation .............................................................................. 245
13.2 Viewing Content Filtering Reports ................................................................................... 245
13.3 Web Site Submission ....................................................................................................... 250