ZyXEL Communications ZyWALL USG 100 Series User Manual page 36

List of Figures
Figure 211 Network > DDNS > Status ................................................................................................ 310
Figure 212 Multiple Servers Behind NAT Example ...............................................................................311
Figure 213 Network > Virtual Server .................................................................................................... 312
Figure 214 Network > Virtual Server > Edit .......................................................................................... 313
Figure 215 NAT 1:1 Example Network Topology .................................................................................. 315
Figure 216 Create Address Objects ..................................................................................................... 316
Figure 217 Address Objects ................................................................................................................. 316
Figure 218 NAT 1:1 Example Virtual Server ......................................................................................... 317
Figure 219 Create a Virtual Server ....................................................................................................... 317
Figure 220 NAT 1:1 Example Policy Route .......................................................................................... 318
Figure 221 Create a Policy Route ........................................................................................................ 318
Figure 222 Create a Firewall Rule ........................................................................................................ 319
Figure 223 LAN1 Computer Queries the DNS Server .......................................................................... 319
Figure 224 NAT Loopback Virtual Server ............................................................................................. 320
Figure 225 Create a Virtual Server ....................................................................................................... 320
Figure 226 Triangle Route ................................................................................................................... 321
Figure 227 NAT Loopback Policy Route ............................................................................................. 321
Figure 228 Create a Policy Route ........................................................................................................ 322
Figure 229 NAT Loopback Successful ............................................................................................... 322
Figure 230 HTTP Redirect Example ..................................................................................................... 323
Figure 231 Network > HTTP Redirect .................................................................................................. 325
Figure 232 Network > HTTP Redirect > Edit ........................................................................................ 325
Figure 233 SIP ALG Example ............................................................................................................. 327
Figure 234 H.323 ALG Example .......................................................................................................... 328
Figure 235 VoIP Calls from the WAN with Multiple Outgoing Calls ...................................................... 329
Figure 236 VoIP with Multiple WAN IP Addresses ............................................................................... 330
Figure 237 Network > ALG .................................................................................................................. 331
Figure 238 IP/MAC Binding Example .................................................................................................. 335
Figure 239 Network > IP/MAC Binding > Summary ............................................................................ 336
Figure 240 Network > IP/MAC Binding > Edit ..................................................................................... 337
Figure 241 Network > IP/MAC Binding > Edit > Add ........................................................................... 338
Figure 242 Network > IP/MAC Binding > Exempt List ......................................................................... 338
Figure 243 Network > IP/MAC Binding > Monitor ................................................................................ 339
Figure 244 Default Firewall Action ....................................................................................................... 343
Figure 245 Blocking All LAN to WAN IRC Traffic Example .................................................................. 346
Figure 246 Limited LAN to WAN IRC Traffic Example .......................................................................... 347
Figure 247 Firewall Example: Select the Traveling Direction of Traffic ................................................ 349
Figure 248 Firewall Example: Edit a Firewall Rule 1 ............................................................................ 349
Figure 249 Firewall Example: Create an Address Object ..................................................................... 349
Figure 250 Firewall Example: Create a Service Object ........................................................................ 350
Figure 251 Firewall Example: Edit a Firewall Rule ............................................................................... 350
Figure 252 Firewall Example: MyService Example Rule in Summary .................................................. 350
Figure 253 Using Virtual Interfaces to Avoid Asymmetrical Routes ..................................................... 351
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ZyWALL USG 100/200 Series User's Guide