ZyXEL Communications 802.11g ADSL 2+ 4-Port Security Gateway HW-D Series - Manual (Page 27)

P-662H/HW-D Series User’s Guide
List of Figures 27
Figure 82 How NAT Works .................................................................................................. 158
Figure 83 NAT Application With IP Alias ............................................................................. 159
Figure 84 NAT General ....................................................................................................... 161
Figure 85 Multiple Servers Behind NAT Example ............................................................... 163
Figure 86 NAT Port Forwarding .......................................................................................... 163
Figure 87 Port Forwarding Rule Setup ............................................................................... 164
Figure 88 Address Mapping Rules ...................................................................................... 166
Figure 89 Edit Address Mapping Rule ............................................................................... 167
Figure 90 Firewall Application ............................................................................................. 171
Figure 91 Three-Way Handshake ....................................................................................... 172
Figure 92 SYN Flood ........................................................................................................... 173
Figure 93 Smurf Attack ....................................................................................................... 174
Figure 94 Stateful Inspection ............................................................................................... 175
Figure 95 Firewall: General ................................................................................................. 184
Figure 96 Firewall Rules .................................................................................................... 186
Figure 97 Firewall: Edit Rule ............................................................................................... 188
Figure 98 Firewall: Customized Services ............................................................................ 190
Figure 99 Firewall: Configure Customized Services ........................................................... 191
Figure 100 Firewall Example: Rules ................................................................................... 192
Figure 101 Edit Custom Port Example ................................................................................ 192
Figure 102 Firewall Example: Edit Rule: Destination Address ........................................... 193
Figure 103 Firewall Example: Edit Rule: Select Customized Services ............................... 194
Figure 104 Firewall Example: Rules: MyService ................................................................ 195
Figure 105 Firewall: Anti Probing ........................................................................................ 197
Figure 106 Firewall: Threshold ............................................................................................ 200
Figure 107 ZyXEL Device Anti-virus Application ................................................................ 204
Figure 108 Anti-Virus: Packet Scan .................................................................................... 206
Figure 109 Anti-Virus: Registration and Virus Information Update ...................................... 208
Figure 110 Virus Scan Update in Progress ......................................................................... 209
Figure 111 Virus Scan Update Successful .......................................................................... 209
Figure 112 Content Filter: Keyword ..................................................................................... 211
Figure 113 Content Filter: Schedule .................................................................................... 212
Figure 114 Content Filter: Trusted ....................................................................................... 213
Figure 115 Content Access Control with WLAN Application .............................................. 215
Figure 116 Content Access Control: General ..................................................................... 216
Figure 117 Control Access Control: General: Time Scheduling ......................................... 218
Figure 118 Content Access Control: General: Services ..................................................... 219
Figure 119 Content Access Control: General: Web Site Filter ........................................... 222
Figure 120 Content Access Control: General: Diagnose ................................................... 227
Figure 121 Content Access Control: User Profiles ............................................................. 228
Figure 122 Content Access Control: Online Status ............................................................ 229
Figure 123 Content Access Control: User Login Screen .................................................. 230
Figure 124 Content Access Control: User Logout Screen ................................................. 230