D-Link DFL-1660 User Manual page 10

List of Figures
1.1. Packet Flow Schematic Part I ...........................................................................24
1.2. Packet Flow Schematic Part II ..........................................................................25
1.3. Packet Flow Schematic Part III .........................................................................26
1.4. Expanded Apply Rules Logic ............................................................................27
3.1. VLAN Connections ...................................................................................... 118
3.2. An ARP Publish Ethernet Frame ..................................................................... 132
3.3. Simplified NetDefendOS Traffic Flow ............................................................. 140
4.1. A Typical Routing Scenario ........................................................................... 169
4.2. Using Local IP Address with an Unbound Network ............................................ 171
4.3. A Route Failover Scenario for ISP Access ......................................................... 177
4.4. A Proxy ARP Example .................................................................................. 184
4.5. The RLB Round Robin Algorithm ................................................................... 194
4.6. The RLB Spillover Algorithm ......................................................................... 195
4.7. A Route Load Balancing Scenario ................................................................... 197
4.8. A Simple OSPF Scenario ............................................................................... 200
4.9. OSPF Providing Route Redundancy ................................................................. 201
4.10. Virtual Links Connecting Areas .................................................................... 205
4.11. Virtual Links with Partitioned Backbone ......................................................... 206
4.12. NetDefendOS OSPF Objects ........................................................................ 207
4.13. Dynamic Routing Rule Objects ..................................................................... 214
4.14. An OSPF Example ...................................................................................... 220
4.15. Multicast Forwarding - No Address Translation ................................................ 229
4.16. Multicast Forwarding - Address Translation .................................................... 231
4.17. Multicast Snoop Mode ................................................................................. 233
4.18. Multicast Proxy Mode ................................................................................. 233
4.19. Non-transparent Mode Internet Access ........................................................... 245
4.20. Transparent Mode Internet Access ................................................................. 245
4.21. Transparent Mode Scenario 1 ........................................................................ 247
4.22. Transparent Mode Scenario 2 ........................................................................ 248
4.23. An Example BPDU Relaying Scenario ........................................................... 251
5.1. DHCP Server Objects ................................................................................... 259
6.1. Deploying an ALG ....................................................................................... 272
6.2. HTTP ALG Processing Order ......................................................................... 275
6.3. FTP ALG Hybrid Mode ................................................................................. 277
6.4. SMTP ALG Processing Order ......................................................................... 288
6.5. Anti-Spam Filtering ...................................................................................... 290
6.6. PPTP ALG Usage ........................................................................................ 296
6.7. TLS Termination .......................................................................................... 323
6.8. Dynamic Content Filtering Flow ..................................................................... 329
6.9. IDP Database Updating ................................................................................. 350
6.10. IDP Signature Selection ............................................................................... 352
7.1. NAT IP Address Translation .......................................................................... 370
7.2. A NAT Example .......................................................................................... 372
7.3. Anonymizing with NAT ................................................................................ 374
7.4. The Role of the DMZ .................................................................................... 379
8.1. Normal LDAP Authentication ........................................................................ 401
8.2. LDAP for PPP with CHAP, MS-CHAPv1 or MS-CHAPv2 .................................. 402
9.1. The AH protocol .......................................................................................... 437
9.2. The ESP protocol ......................................................................................... 437
9.3. PPTP Client Usage ....................................................................................... 471
9.4. SSL VPN Browser Connection Choices ............................................................ 475
9.5. The SSL VPN Client Login ............................................................................ 476
9.6. The SSL VPN Client Statistics ........................................................................ 477
9.7. Certificate Validation Components .................................................................. 481
10.1. Pipe Rules Determine Pipe Usage .................................................................. 493
10.2. FwdFast Rules Bypass Traffic Shaping ........................................................... 494
10.3. Differentiated Limits Using Chains ................................................................ 497
10.4. The Eight Pipe Precedences .......................................................................... 498
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