Zyxel-communications 200 Series Manual do Utilizador Página 348
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Chapter 19 Firewall
ZyWALL USG 100/200 Series User’s Guide
348
- ZyWALL USG 100/200 1
- About This User's Guide 3
- Document Conventions 5
- Icons Used in Figures 6
- Safety Warnings 7
- Contents Overview 9
- Table of Contents 11
- Chapter 4 12
- Chapter 5 12
- Chapter 6 13
- Chapter 7 14
- Chapter 11 16
- Chapter 12 16
- Chapter 28 21
- Chapter 29 21
- Chapter 34 23
- Chapter 35 23
- Chapter 43 26
- List of Figures 29
- List of Tables 43
- Getting Started 51
- CHAPTER 1 53
- 1.3 Management Overview 54
- CHAPTER 2 57
- 2.2 Packet Flow 59
- 2.3 Applications 60
- 2.3.5 Device HA 63
- CHAPTER 3 65
- Chapter 3 Web Configurator 66
- Figure 10 Login Screen 66
- 3.3.1 Title Bar 67
- 3.3.2 Navigation Panel 68
- Chapter 3 Web Configurator 69
- 3.3.3 Main Window 72
- 3.3.4 Message Bar 72
- Figure 14 Warning Messages 73
- Figure 15 CLI Messages 73
- CHAPTER 4 75
- 4.3 Step 1 Internet Access 77
- Device Registration 91
- 4.6 VPN Setup 94
- 4.7 VPN Wizards 95
- 4.8.4 VPN Advanced Wizard 100
- Chapter 4 Wizard Setup 101
- Chapter 4 Wizard Setup 102
- CHAPTER 5 109
- 5.2.1 Interface Types 110
- WAN OPT LAN1 WLAN DMZ 110
- 5.4.1 Feature 113
- 5.4.2 Interface 114
- 5.4.3 Trunks 114
- 5.4.4 IPSec VPN 114
- 5.4.5 SSL VPN 115
- 5.4.6 L2TP VPN 115
- 5.4.7 Zones 115
- 5.4.8 Device HA 115
- 5.4.9 DDNS 116
- 5.4.10 Policy Routes 116
- 5.4.11 Static Routes 117
- 5.4.12 Firewall 117
- 5.4.13 Application Patrol 118
- 5.4.14 Anti-Virus 118
- 5.4.15 IDP 118
- 5.4.16 ADP 119
- 5.4.17 Content Filter 119
- 5.4.18 Anti-Spam 119
- 5.4.20 HTTP Redirect 120
- 5.4.21 ALG 120
- 5.5 Objects 121
- 5.6.2 File Manager 122
- 5.6.3 Licensing Registration 123
- 5.6.4 Licensing Update 123
- 5.6.5 Logs and Reports 123
- 5.6.6 Diagnostics 123
- CHAPTER 6 125
- Chapter 6 Tutorials 126
- Chapter 6 Tutorials 127
- Figure 53 Status 131
- 6 Click Activate Now 136
- 5 Click Networks > Add 139
- 2 Click Import 141
- Figure 78 VPN Example 144
- Figure 98 Firewall > Add 154
- Figure 99 Trunk Example 154
- Figure 102 System > WWW 157
- 6 Click Apply 158
- 6.8.1 How to Turn On the ALG 160
- 6.9 How to Use Device HA 162
- 6.9.1 Before You Start 163
- CHAPTER 7 171
- Chapter 7 Status 172
- Figure 127 Status 172
- Table 32 Status 172
- Chapter 7 Status 173
- Table 32 Status (continued) 173
- 7.2.1 The CPU Usage Screen 175
- 7.2.4 The VPN Status Screen 178
- 7.2.5 The DHCP Table Screen 179
- CHAPTER 8 185
- 8.2 The Registration Screen 186
- Chapter 8 Registration 187
- Chapter 8 Registration 188
- 8.3 The Service Screen 189
- CHAPTER 9 191
- Chapter 9 Signature Update 192
- Chapter 9 Signature Update 193
- CHAPTER 10 199
- Chapter 10 Interface 200
- Chapter 10 Interface 201
- 10.3 The Port Role Screen 205
- 10.5 Interface Wizards 214
- 10.8 Cellular Status Screen 231
- 10.9.1 WLAN Add/Edit Screen 235
- 10.12 VLAN Interface Screen 247
- Figure 180 Bridge Example 255
- ATZ is the most 263
- CHAPTER 11 269
- Chapter 11 Trunks 270
- Figure 187 Link Sticking 270
- Chapter 11 Trunks 271
- CHAPTER 12 277
- 12.2 Policy Route Screen 279
- 12.3 IP Static Route Screen 283
- NAT and SNAT 285
- Port Triggering 285
- Maximize Bandwidth Usage 286
- CHAPTER 13 287
- 13.2 The RIP Screen 288
- 13.3 The OSPF Screen 289
- Chapter 13 Routing Protocols 290
- Chapter 13 Routing Protocols 291
- CHAPTER 14 299
- 14.2 The Zone Screen 300
- 14.2.1 The Zone Edit Screen 301
- Chapter 14 Zones 302
- CHAPTER 15 303
- 15.2 The DDNS Screen 304
- Chapter 15 DDNS 305
- DDNS server 306
- 15.3 The DDNS Status Screen 307
- Chapter 15 DDNS 308
- CHAPTER 16 309
- Chapter 16 Virtual Servers 310
- It can 311
- NAT 1:1 Example 313
- NAT 1:1 Address Objects 314
- NAT 1:1 Virtual Server 314
- NAT 1:1 Policy Route 315
- NAT 1:1 Firewall Rule 316
- NAT Loopback Example 317
- NAT Loopback Virtual Server 318
- NAT Loopback Policy Route 319
- CHAPTER 17 321
- Chapter 17 HTTP Redirect 322
- Chapter 17 HTTP Redirect 323
- CHAPTER 18 325
- Chapter 18 ALG 326
- Chapter 18 ALG 327
- 18.2 The ALG Screen 328
- Table 108 Network > ALG 329
- 18.3 ALG Technical Reference 330
- PART III 333
- CHAPTER 19 335
- Chapter 19 Firewall 336
- Chapter 19 Firewall 337
- 19.2 The Firewall Screen 343
- Figure 247 Firewall 344
- Table 113 Firewall 344
- CHAPTER 20 351
- 20.1.3 Before You Begin 352
- Chapter 20 IPSec VPN 353
- Chapter 20 IPSec VPN 354
- 1234567890XYZ for a DES 362
- 20.3 The VPN Gateway Screen 363
- 20.5 The SA Monitor Screen 371
- IKE SA Overview 373
- Authentication 375
- Additional Topics for IKE SA 376
- Figure 264 VPN/NAT Example 377
- IPSec SA Overview 379
- CHAPTER 21 385
- Chapter 21 SSL VPN 386
- Table 125 Objects 386
- Chapter 21 SSL VPN 387
- CHAPTER 22 395
- 22.2 Remote User Login 396
- Chapter 22 SSL User Screens 397
- Figure 278 Login Screen 397
- Chapter 22 SSL User Screens 398
- 22.4 Bookmarking the ZyWALL 399
- CHAPTER 23 401
- CHAPTER 24 403
- Figure 286 File Sharing 404
- 24.3.1 Downloading a File 405
- 24.3.2 Saving a File 405
- 24.4 Creating a New Folder 406
- 24.7 Uploading a File 408
- CHAPTER 25 409
- Chapter 25 L2TP VPN 410
- 25.2 L2TP VPN Screen 411
- Chapter 25 L2TP VPN 413
- CHAPTER 26 415
- Chapter 26 L2TP VPN Example 416
- Chapter 26 L2TP VPN Example 417
- 172.16.1.2 422
- 12 Click IPSec Settings 423
- Click OK 424
- Figure 321 Registry Key 426
- Figure 322 New DWORD Value 426
- Figure 324 Run mmc 427
- 12 Click Add 431
- 6 Click Properties 437
- Application Patrol 441
- CHAPTER 27 443
- Chapter 27 Application Patrol 444
- Figure 364 Application Edit 454
- Table 139 Application Edit 454
- CHAPTER 28 469
- Chapter 28 Anti-Virus 470
- 28.1.3 Before You Begin 471
- Chapter 28 Anti-Virus 473
- 28.3 Anti-Virus Black List 475
- 28.5 Anti-Virus White List 477
- 28.6 Signature Searching 478
- CHAPTER 29 483
- 29.2 The IDP General Screen 484
- Chapter 29 IDP 485
- Chapter 29 IDP 486
- 29.3.1 Base Profiles 487
- • Add a new profile 488
- • Edit an existing profile 488
- • Delete an existing profile 488
- 29.5 Creating New Profiles 489
- 29.6.2 Policy Types 493
- 29.6.3 IDP Service Groups 494
- 29.6.5 Query Example 497
- 29.7.1 IP Packet Header 498
- number. Select 503
- 29.9 IDP Technical Reference 509
- fragoffset 510
- CHAPTER 30 513
- 30.2 The ADP General Screen 514
- Chapter 30 ADP 515
- 30.3.1 Base Profiles 516
- Table 166 Base Profiles 517
- Chapter 30 ADP 518
- 30.4 Technical Reference 523
- Flood Detection 525
- Figure 404 SYN Flood 526
- Section 30.3.5 on page 520) 527
- CHAPTER 31 531
- 31.1.3 Before You Begin 532
- Chapter 31 Content Filtering 533
- Chapter 31 Content Filtering 534
- _), or dashes (-), but the 537
- _), or dashes (-), but 544
- CHAPTER 32 551
- Figure 415 Blue Coat: Login 553
- 32.3 Web Site Submission 556
- CHAPTER 33 559
- Chapter 33 Anti-Spam 560
- 33.2 Before You Begin 561
- Chapter 33 Anti-Spam 563
- 33.6 The DNSBL Screen 568
- PART VII 573
- CHAPTER 34 575
- 34.2 Device HA General 576
- Chapter 34 Device HA 577
- Chapter 34 Device HA 578
- Figure 432 Virtual Router 578
- 34.5 The Legacy Mode Screen 583
- Synchronization 588
- PART VIII 591
- CHAPTER 35 593
- Chapter 35 User/Group 594
- 35.2 User Summary Screen 595
- 35.2.1 User Add/Edit Screen 596
- 35.3.1 Group Add/Edit Screen 598
- 35.4 Setting Screen 599
- Chapter 35 User/Group 601
- CHAPTER 36 607
- Chapter 36 Addresses 608
- Chapter 36 Addresses 609
- CHAPTER 37 613
- Chapter 37 Services 614
- Add icon or an Edit icon 615
- Chapter 37 Services 617
- CHAPTER 38 619
- Chapter 38 Schedules 620
- Chapter 38 Schedules 621
- CHAPTER 39 625
- 39.1.3 ASAS 626
- Chapter 39 AAA Server 629
- Chapter 39 AAA Server 632
- CHAPTER 40 635
- CHAPTER 41 639
- Chapter 41 Certificates 640
- Chapter 41 Certificates 641
- characters 644
- CHAPTER 42 657
- Chapter 42 SSL Application 658
- Chapter 42 SSL Application 659
- System (665) 663
- CHAPTER 43 665
- 43.2 Host Name 666
- 43.3 Date and Time 666
- Chapter 43 System 667
- Chapter 43 System 668
- 43.4 Console Port Speed 670
- 43.5 DNS Overview 670
- Figure 490 System > DNS 671
- Table 233 System > DNS 671
- 43.5.3 Address Record 673
- 43.5.4 PTR Record 673
- 43.5.8 MX Record 675
- 43.5.9 Adding a MX Record 675
- 43.6 WWW Overview 676
- 43.6.2 System Timeout 677
- 43.6.3 HTTPS 678
- 43.6.4 Configuring WWW 679
- 43.6.5 Service Control Rules 681
- 43.6.6 HTTPS Example 682
- 43.7 SSH 689
- 43.7.1 How SSH Works 690
- 43.7.4 Configuring SSH 691
- 43.8 Telnet 693
- 43.9 FTP 694
- 43.9.1 Configuring FTP 695
- 43.10 SNMP 696
- 43.10.1 Supported MIBs 697
- 43.10.2 SNMP Traps 697
- 43.10.3 Configuring SNMP 698
- 43.11 Dial-in Management 699
- 43.12 Vantage CNM 700
- Note: HTTPS is recommended 701
- 43.13 Language Screen 702
- Maintenance 703
- Troubleshooting, & 703
- Specifications 703
- CHAPTER 44 705
- Chapter 44 File Manager 706
- Chapter 44 File Manager 707
- CHAPTER 45 715
- Chapter 45 Logs 716
- 45.4 Log Setting Screens 717
- 45.4.1 Log Setting Summary 718
- Chapter 45 Logs 719
- CHAPTER 46 727
- Chapter 46 Reports 728
- Chapter 46 Reports 729
- 46.3 The Session Screen 730
- 46.5 The IDP Report Screen 733
- CHAPTER 47 741
- Chapter 47 Diagnostics 742
- CHAPTER 48 743
- Chapter 48 Reboot 744
- CHAPTER 49 745
- VPN tunnel 746
- Chapter 49 Troubleshooting 747
- 49.1 Resetting the ZyWALL 748
- CHAPTER 50 749
- Appendices and 757
- APPENDIX A 759
- Appendix A Log Descriptions 760
- Table 279 Anti-Spam Logs 760
- Appendix A Log Descriptions 761
- Table 280 SSL VPN Logs 762
- Table 282 ZySH Logs 766
- Table 283 ADP Logs 768
- Table 284 Anti-Virus Logs 768
- Table 285 User Logs 771
- Table 286 myZyXEL.com Logs 772
- Table 287 IDP Logs 777
- Table 289 IKE Logs 782
- Table 290 IPSec Logs 786
- Table 291 Firewall Logs 786
- Table 293 Policy Route Logs 787
- Table 295 System Logs 791
- Table 297 Device HA Logs 797
- Table 299 NAT Logs 802
- Table 300 PKI Logs 803
- Table 301 Interface Logs 805
- Table 302 WLAN Logs 809
- Table 303 Account Logs 811
- Table 306 File Manager Logs 812
- APPENDIX B 815
- Appendix B Common Services 816
- Appendix B Common Services 817
- APPENDIX C 819
- Windows 2000 820
- Windows 98 SE/Me 821
- APPENDIX D 825
- Figure 568 Login Screen 826
- APPENDIX E 831
- Appendix E Wireless LANs 832
- Appendix E Wireless LANs 833
- Fragmentation Threshold 834
- Preamble Type 835
- IEEE 802.11g Wireless LAN 835
- Wireless Security Overview 835
- IEEE 802.1x 836
- Types of EAP Authentication 837
- PEAP (Protected EAP) 838
- Dynamic WEP Key Exchange 839
- WPA and WPA2 839
- Encryption 840
- User Authentication 840
- Security Parameters Summary 842
- Antenna Overview 843
- Antenna Characteristics 843
- Types of Antennas for WLAN 843
- Positioning Antennas 844
- APPENDIX F 845
- Netkit Telnet License 846
- NTP License 846
- Expat License 847
- OpenSSL License 848
- Original SSLeay License 849
- ISC license 851
- Apache License 852
- The MIT License 867
- APPENDIX G 873
- ZyXEL Limited Warranty 875
- Appendix G Legal Information 876
- APPENDIX H 877
- Appendix H Customer Support 878
- Appendix H Customer Support 879
- Numerics 883
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