ZyXEL Communications Unified Security Gateway ZyWALL 1000 User Manual page 35

List of Figures
Figure 168 HTTP Redirect Example ..................................................................................................... 262
Figure 169 Network > HTTP Redirect .................................................................................................. 263
Figure 170 Network > HTTP Redirect > Edit ........................................................................................ 263
Figure 171 H.323 ALG Example .......................................................................................................... 267
Figure 172 SIP ALG Example ............................................................................................................. 267
Figure 173 VoIP Calls from the WAN with Multiple Outgoing Calls ...................................................... 268
Figure 174 VoIP with Multiple WAN IP Addresses ............................................................................... 269
Figure 175 Network > ALG .................................................................................................................. 269
Figure 176 WAN to LAN H.323 Peer-to-peer Calls Example ............................................................... 271
Figure 177 Network > Virtual Server > Add .......................................................................................... 271
Figure 178 Firewall > WAN to LAN ....................................................................................................... 272
Figure 179 Firewall > WAN > LAN > Add ............................................................................................ 272
Figure 180 Object > Address > Add ..................................................................................................... 272
Figure 181 Firewall > WAN > LAN > Add ............................................................................................ 273
Figure 182 Default Firewall Action ....................................................................................................... 277
Figure 183 Blocking All LAN to WAN IRC Traffic Example .................................................................. 280
Figure 184 Limited LAN to WAN IRC Traffic Example .......................................................................... 281
Figure 185 Triangle Route: Using Virtual Interfaces ............................................................................. 283
Figure 186 Firewall ............................................................................................................................. 284
Figure 187 Firewall > Edit ..................................................................................................................... 286
Figure 188 Firewall Example: Select the Traveling Direction of Traffic ................................................ 288
Figure 189 Firewall Example: Edit a Firewall Rule 1 ............................................................................ 288
Figure 190 Firewall Example: Create an Address Object ..................................................................... 289
Figure 191 Firewall Example: Create a Service Object ........................................................................ 289
Figure 192 Firewall Example: Edit a Firewall Rule ............................................................................... 289
Figure 193 Firewall Example: MyService Example Rule in Summary .................................................. 290
Figure 194 VPN: Example .................................................................................................................... 291
Figure 195 VPN: IKE SA and IPSec SA .............................................................................................. 292
Figure 196 VPN: Transport and Tunnel Mode Encapsulation .............................................................. 293
Figure 197 VPN Example: NAT for Inbound and Outbound Traffic ...................................................... 295
Figure 198 VPN > IPSec VPN > VPN Connection ............................................................................... 297
Figure 199 VPN > IPSec VPN > VPN Connection > Edit (IKE) ........................................................... 299
Figure 200 VPN > IPSec VPN > VPN Connection > Manual Key > Edit .............................................. 303
Figure 201 IKE SA: Main Negotiation Mode, Steps 1 - 2: IKE SA Proposal ....................................... 307
Figure 202 IKE SA: Main Negotiation Mode, Steps 3 - 4: DH Key Exchange .................................... 308
Figure 203 IKE SA: Main Negotiation Mode, Steps 5 - 6: Authentication ........................................... 309
Figure 204 VPN/NAT Example ..............................................................................................................311
Figure 205 VPN > IPSec VPN > VPN Gateway ................................................................................... 312
Figure 206 VPN > IPSec VPN > VPN Gateway > Edit ......................................................................... 314
Figure 207 VPN Topologies .................................................................................................................. 318
Figure 208 VPN > IPSec VPN > Concentrator ..................................................................................... 319
Figure 209 VPN > IPSec VPN > Concentrator > Edit ........................................................................... 319
Figure 210 Network > IPSec VPN > Concentrator > Edit > Member .................................................... 320
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ZyWALL USG 1000 User's Guide