ZyXEL Communications ZyXEL ZyWALL 35 manuals

Zyxel communications ZyXEL ZyWALL 35 User Manual (697 pages)

Brand: Zyxel-communications | Category: Hardware | Size: 22.84 MB |

English

Table of contents

ZyWALL 35

1

Copyright

3

Federal Communications

4

Commission (FCC) Interference

4

Statement

4

ZyXEL Limited Warranty

5

Customer Support

6

Table of Contents

7

Chapter 2

8

Chapter 3

9

Chapter 4

9

Chapter 5

10

Chapter 6

10

Chapter 7

11

Chapter 8

12

Chapter 9

12

Chapter 10

13

Chapter 11

13

Chapter 15

15

Chapter 19

17

Chapter 20

17

Chapter 21

18

Chapter 22

18

Chapter 39

23

Chapter 40

23

List of Figures

27

List of Tables

39

About This User's Guide

47

Related Documentation

47

User Guide Feedback

47

Syntax Conventions

48

Graphics Icons Key

48

CHAPTER 1

49

1.2.1 Physical Features

50

1.2.2 Non-Physical Features

51

1.3.2 VPN Application

57

Figure 2 VPN Application

58

CHAPTER 2

59

2.3 Resetting the ZyWALL

61

2.4.1 Router Mode

62

2.4.2 Bridge Mode

65

2.4.3 Navigation Panel

67

Table 5 Screens Summary

68

Table 4 Feature Comparison

68

2.4.4 System Statistics

70

2.4.5 DHCP Table Screen

72

2.4.6 VPN Status

73

Figure 11 Home : VPN Status

74

Table 9 Home : VPN Status

74

CHAPTER 3

75

74 Chapter 3 Wizard Setup

76

3.2.1.2 PPPoE Encapsulation

77

3.2.1.3 PPTP Encapsulation

78

Chapter 3 Wizard Setup 77

79

3.2.2 WAN and DNS

80

3.2.2.4 WAN MAC Address

81

80 Chapter 3 Wizard Setup

82

Figure 15 WAN and DNS

82

Chapter 3 Wizard Setup 81

83

Table 15 WAN and DNS

83

3.3 VPN Overview

84

3.4 VPN Wizard

84

3.4.1 My IP Address

85

3.4.2 Secure Gateway Address

85

84 Chapter 3 Wizard Setup

86

3.4.3 Network Setting

87

3.4.4 IKE Phases

88

3.4.4.1 Negotiation Mode

89

3.4.4.2 Pre-Shared Key

89

3.5 IPSec Algorithms

90

Chapter 3 Wizard Setup 89

91

Table 18 ESP and AH

91

90 Chapter 3 Wizard Setup

92

Chapter 3 Wizard Setup 91

93

3.5.5 VPN Status Summary

94

Chapter 3 Wizard Setup 93

95

94 Chapter 3 Wizard Setup

96

Chapter 3 Wizard Setup 95

97

96 Chapter 3 Wizard Setup

98

CHAPTER 4

99

4.3 LAN TCP/IP

100

4.4 Configuring LAN

101

ZyWALL 35 User’s Guide

102

100 Chapter 4 LAN Screens

102

Figure 24 LAN

102

Table 22 LAN

102

4.5 Configuring Static DHCP

103

4.6 Configuring IP Alias

104

Chapter 4 LAN Screens 103

105

Figure 27 IP Alias

105

4.7 Configuring Port Roles

106

Chapter 4 LAN Screens 105

107

Figure 28 Port Roles

107

106 Chapter 4 LAN Screens

108

CHAPTER 5

109

5.2.1 Rapid STP

110

5.2.2 STP Terminology

110

5.2.3 How STP Works

110

5.3 Configuring Bridge

111

110 Chapter 5 Bridge Screens

112

Figure 31 Bridge

112

Table 27 Bridge

112

5.4 Configuring Port Roles

113

112 Chapter 5 Bridge Screens

114

CHAPTER 6

115

6.2.3 RTS/CTS

116

6.3 Wireless Security

117

6.5 WEP Encrytion

118

6.6 802.1x Overview

119

6.7 Dynamic WEP Key Exchange

119

6.8 Introduction to WPA

119

6.8.2 Encryption

120

6.13.1 Static WEP

124

6.13.2 WPA-PSK

125

Figure 38 Wireless: WPA-PSK

126

Table 31 Wireless: WPA-PSK

126

6.13.3 WPA

127

6.13.4 802.1x + Dynamic WEP

128

6.13.5 802.1x + Static WEP

129

6.13.6 802.1x + No WEP

131

6.14 Configuring MAC Filter

133

Table 37 MAC Address Filter

134

6.15 Introduction to RADIUS

135

6.17 Authentication Server

137

6.19 Configuring RADIUS

139

Table 39 RADIUS

140

CHAPTER 7

141

7.4.1 Least Load First

142

7.4.1.2 Example 2

143

7.4.2 Weighted Round Robin

144

7.4.3 Spillover

144

7.5 TCP/IP Priority (Metric)

145

7.6 Configuring General

145

144 Chapter 7 WAN Screens

146

Figure 51 General

146

Chapter 7 WAN Screens 145

147

Table 42 General

147

7.7.1 Least Load First

148

7.7.2 Weighted Round Robin

149

7.7.3 Spillover

150

7.8 Configuring WAN Setup

151

7.8.1 Ethernet Encapsulation

152

Chapter 7 WAN Screens 151

153

7.8.2 PPPoE Encapsulation

154

Chapter 7 WAN Screens 153

155

7.8.3 PPTP Encapsulation

156

Chapter 7 WAN Screens 155

157

7.9 Traffic Redirect

158

Chapter 7 WAN Screens 157

159

7.11 Configuring Dial Backup

160

Chapter 7 WAN Screens 159

161

Figure 61 Dial Backup Setup

161

160 Chapter 7 WAN Screens

162

Table 50 Dial Backup Setup

162

Chapter 7 WAN Screens 161

163

7.12 Advanced Modem Setup

164

Chapter 7 WAN Screens 163

165

Figure 62 Advanced Setup

165

Table 51 Advanced Setup

165

164 Chapter 7 WAN Screens

166

CHAPTER 8

167

166 Chapter 8 DMZ Screens

168

Figure 63 DMZ

168

Table 52 DMZ

168

8.3 Configuring IP Alias

169

168 Chapter 8 DMZ Screens

170

Figure 64 IP Alias

170

Table 53 IP Alias

170

Chapter 8 DMZ Screens 169

171

8.6 Configuring Port Roles

172

Chapter 8 DMZ Screens 171

173

Figure 67 Port Roles

173

172 Chapter 8 DMZ Screens

174

CHAPTER 9

175

174 Chapter 9 Firewalls

176

9.4 Denial of Service

177

that says, for

178

Chapter 9 Firewalls 177

179

Figure 71 SYN Flood

179

9.4.2.1 ICMP Vulnerability

180

9.5 Stateful Inspection

181

180 Chapter 9 Firewalls

182

9.5.3 TCP Security

183

9.5.4 UDP/ICMP Security

184

9.5.5 Upper Layer Protocols

184

9.7.1 Packet Filtering:

185

9.7.2 Firewall

186

CHAPTER 10

187

10.3 Rule Logic Overview

188

10.3.3.1 Action

189

10.3.3.2 Service

189

10.3.3.3 Source Address

189

10.4.1 LAN To WAN Rules

190

10.4.2 WAN To LAN Rules

190

10.5 Alerts

191

10.6 Configuring Firewall

191

10.6.1 Rule Summary

194

Table 60 Rule Summary

195

10.7 Example Firewall Rule

198

Figure 81 Rule Summary

199

Figure 82 Rule Edit Example

200

10.8 Predefined Services

202

10.9 Anti-Probing

204

Figure 86 Anti-Probing

205

Table 64 Anti-Probing

205

10.10.1 Threshold Values

206

10.10.2 Half-Open Sessions

206

Table 65 Firewall Threshold

207

CHAPTER 11

209

11.5 Customization

219

ZyWALL checks

221

CHAPTER 12

223

9 Click Continue again

228

12.8 Configuration File

234

CHAPTER 13

235

13.2 IPSec Architecture

236

13.3 Encapsulation

237

13.4 IPSec and NAT

238

Table 70 VPN and NAT

239

CHAPTER 14

241

14.3 My IP Address

242

14.4 Secure Gateway Address

242

14.5 Summary Screen

243

242 Chapter 14 VPN Screens

244

Figure 115 VPN Rules

244

Table 72 VPN Rules

244

14.6 Keep Alive

245

14.7 NAT Traversal

245

14.7.3 Remote DNS Server

246

14.8 ID Type and Content

247

246 Chapter 14 VPN Screens

248

14.9 Pre-Shared Key

249

14.10 Editing VPN Policies

249

248 Chapter 14 VPN Screens

250

Figure 118 Edit VPN Rule

250

Chapter 14 VPN Screens 249

251

Table 77 Edit VPN Rule

251

250 Chapter 14 VPN Screens

252

Chapter 14 VPN Screens 251

253

252 Chapter 14 VPN Screens

254

Chapter 14 VPN Screens 253

255

14.11 IKE Phases

256

14.11.1 X-Auth and IKE

257

14.11.2 Negotiation Mode

257

256 Chapter 14 VPN Screens

258

Chapter 14 VPN Screens 257

259

14.13 Manual Key Setup

260

14.14 Configuring Manual Key

261

260 Chapter 14 VPN Screens

262

Table 79 VPN Manual Setup

262

Chapter 14 VPN Screens 261

263

14.15 Viewing SA Monitor

264

Chapter 14 VPN Screens 263

265

Figure 123 Global Setting

265

Table 80 SA Monitor

265

Table 81 Global Setting

265

264 Chapter 14 VPN Screens

266

Chapter 14 VPN Screens 265

267

266 Chapter 14 VPN Screens

268

CHAPTER 15

269

15.3 Configuration Summary

270

15.4 My Certificates

270

Chapter 15 Certificates 269

271

Figure 127 My Certificates

271

Table 84 My Certificates

271

270 Chapter 15 Certificates

272

15.6 Importing a Certificate

273

15.7 Creating a Certificate

274

Chapter 15 Certificates 273

275

15.8 My Certificate Details

276

Chapter 15 Certificates 275

277

276 Chapter 15 Certificates

278

15.9 Trusted CAs

279

278 Chapter 15 Certificates

280

Figure 131 Trusted CAs

280

Table 88 Trusted CAs

280

Chapter 15 Certificates 279

281

280 Chapter 15 Certificates

282

Table 89 Trusted CA Import

282

Chapter 15 Certificates 281

283

Table 90 Trusted CA Details

283

282 Chapter 15 Certificates

284

15.12 Trusted Remote Hosts

285

284 Chapter 15 Certificates

286

Chapter 15 Certificates 285

287

286 Chapter 15 Certificates

288

Chapter 15 Certificates 287

289

288 Chapter 15 Certificates

290

Chapter 15 Certificates 289

291

15.16 Directory Servers

292

Chapter 15 Certificates 291

293

Table 94 Directory Servers

293

292 Chapter 15 Certificates

294

CHAPTER 16

295

16.1.2 What NAT Does

296

16.1.3 How NAT Works

296

16.1.4 NAT Application

297

16.1.5 NAT Mapping Types

297

Table 97 NAT Mapping Types

298

16.2 Using NAT

299

Figure 143 NAT Overview

300

Table 98 NAT Overview

300

Figure 144 Address Mapping

302

Table 99 Address Mapping

302

16.4.1 Address Mapping Edit

303

16.5 Port Forwarding

304

16.5.4 NAT and Multiple WAN

306

16.5.5 Port Translation

306

Figure 148 Port Forwarding

308

Table 102 Port Forwarding

308

Figure 150 Port Triggering

310

Table 103 Port Triggering

310

CHAPTER 17

313

312 Chapter 17 Static Route

314

Figure 152 IP Static Route

314

Table 104 IP Static Route

314

Chapter 17 Static Route 313

315

314 Chapter 17 Static Route

316

CHAPTER 18

317

18.4 IP Routing Policy Setup

318

Chapter 18 Policy Route 317

319

318 Chapter 18 Policy Route

320

Chapter 18 Policy Route 319

321

320 Chapter 18 Policy Route

322

CHAPTER 19

323

19.5 Scheduler

325

19.7 Bandwidth Borrowing

328

19.8 Configuring Summary

330

19.9 Configuring Class Setup

331

19.10 Configuring Monitor

336

CHAPTER 20

339

20.4 Address Record

340

20.5 Name Server Record

340

20.6 The System Screen

341

340 Chapter 20 DNS

342

Figure 168 System

342

Table 115 System

342

Chapter 20 DNS 341

343

Figure 169 System: Add

343

Table 116 System: Add

343

342 Chapter 20 DNS

344

Figure 170 System: Insert

344

20.7 DNS Cache

345

20.8 Configure DNS Cache

346

20.9 Configuring LAN DNS

347

20.10 Dynamic DNS

348

20.10.1 DYNDNS Wildcard

349

20.10.2 High Availability

349

348 Chapter 20 DNS

350

Table 120 DDNS

350

Chapter 20 DNS 349

351

350 Chapter 20 DNS

352

CHAPTER 21

353

21.2 Introduction to HTTPS

354

21.3 Configuring WWW

355

Figure 175 WWW

356

Table 121 WWW

356

21.4 HTTPS Example

357

21.4.4 Login Screen

359

21.5 SSH Overview

362

21.6 How SSH works

362

Figure 185 How SSH Works

363

21.8 Configuring SSH

364

21.9.2 Example 2: Linux

365

21.11 Telnet

367

21.12 Configuring TELNET

367

21.13 Configuring FTP

368

21.14 Configuring SNMP

369

21.14.1 Supported MIBs

371

21.14.2 SNMP Traps

371

Figure 195 SNMP

372

Table 126 SNMP

372

21.15 Configuring DNS

373

21.17 Configuring CNM

374

Table 128 CNM (continued)

375

CHAPTER 22

377

22.2 UPnP and ZyXEL

378

22.3 Configuring UPnP

378

Chapter 22 UPnP 377

379

Figure 199 UPnP Ports

379

Table 129 Configuring UPnP

379

378 Chapter 22 UPnP

380

Table 130 UPnP Ports

380

Chapter 22 UPnP 379

381

380 Chapter 22 UPnP

382

Chapter 22 UPnP 381

383

382 Chapter 22 UPnP

384

Chapter 22 UPnP 383

385

384 Chapter 22 UPnP

386

CHAPTER 23

387

23.2 Log Description Example

388

388 Chapter 23 Logs Screens

390

Figure 201 Log Settings

390

Chapter 23 Logs Screens 389

391

Table 133 Log Settings

391

23.4 Configuring Reports

392

Chapter 23 Logs Screens 391

393

Figure 202 Reports

393

Table 134 Reports

393

23.4.1 Viewing Web Site Hits

394

23.4.2 Viewing Protocol/Port

394

Chapter 23 Logs Screens 393

395

394 Chapter 23 Logs Screens

396

CHAPTER 24

397

24.3 Configuring Password

398

Chapter 24 Maintenance 397

399

Figure 207 Password Setup

399

Table 140 Password Setup

399

398 Chapter 24 Maintenance

400

Figure 208 Time and Date

400

Chapter 24 Maintenance 399

401

Table 142 Time and Date

401

400 Chapter 24 Maintenance

402

Time and Date screen

403

402 Chapter 24 Maintenance

404

Chapter 24 Maintenance 403

405

24.7 F/W Upload Screen

406

Chapter 24 Maintenance 405

407

24.8 Configuration Screen

408

Chapter 24 Maintenance 407

409

24.9 Restart Screen

410

Chapter 24 Maintenance 409

411

Figure 223 Restart Screen

411

410 Chapter 24 Maintenance

412

CHAPTER 25

413

25.2.2 Entering the Password

414

25.3.1 Main Menu

415

Table 148 Main Menu Summary

416

25.5 Resetting the ZyWALL

419

CHAPTER 26

421

26.2.1.1 Editing DDNS Host

423

ZyWALL uses traffic redirect

425

CHAPTER 27

427

Edit Advanced Setup= No

427

27.3 Dial Backup

428

27.5 Advanced WAN Setup

430

27.7 Editing PPP Options

433

27.8 Editing TCP/IP Options

433

27.9 Editing Login Script

435

27.10 Remote Node Filter

437

CHAPTER 28

439

438 Chapter 28 LAN Setup

440

Chapter 28 LAN Setup 439

441

28.4.1 IP Alias Setup

442

Chapter 28 LAN Setup 441

443

28.5 Wireless LAN Setup

444

Chapter 28 LAN Setup 443

445

444 Chapter 28 LAN Setup

446

CHAPTER 29

447

29.5 Basic Setup Complete

450

CHAPTER 30

451

30.3.1 IP Address

452

30.3.2 IP Alias Setup

452

Chapter 30 DMZ Setup 451

453

452 Chapter 30 DMZ Setup

454

CHAPTER 31

455

31.3 Traffic Redirect

456

31.4 Route Failover

457

456 Chapter 31 Route Setup

458

CHAPTER 32

459

32.3.2 PPPoE Encapsulation

461

32.3.2.3 Metric

462

32.3.3 PPTP Encapsulation

463

32.4 Edit IP

464

32.5 Remote Node Filter

466

CHAPTER 33

469

CHAPTER 34

471

34.2 NAT Setup

473

34.2.1 Address Mapping Sets

474

34.2.1.3 Ordering Your Rules

476

34.4 General NAT Examples

481

Figure 284 NAT Example 2

482

Figure 286 NAT Example 3

483

Figure 291 NAT Example 4

486

34.5 Trigger Port Forwarding

488

CHAPTER 35

491

CLI commands

492

CHAPTER 36

493

Len Length

497

(from 0) and the Length

501

Length= 0

501

36.3 Example Filter

502

36.4 Filter Types and NAT

504

36.5 Firewall Versus Filters

504

36.6 Applying a Filter

505

HTTP connections

506

CHAPTER 37

507

37.2 SNMP Traps

508

CHAPTER 38

509

38.3.1 System Information

511

38.3.2 Console Port Speed

512

38.4 Log and Trace

513

38.4.2 UNIX Syslog

514

2 Packet triggered

515

3 Filter log

515

4 PPP log

516

5 Firewall log

516

38.5 Diagnostic

517

38.5.1 WAN DHCP

518

CHAPTER 39

521

39.3 Backup Configuration

522

39.3.4 GUI-based FTP Clients

524

39.3.7 TFTP Command Example

525

39.4 Restore Configuration

527

39.4.1 Restore Using FTP

528

39.5.1 Firmware File Upload

530

39.5.5 TFTP File Upload

532

CHAPTER 40

537

40.1.2 Command Usage

538

40.2 Call Control Support

539

40.2.2 Call History

540

40.3 Time and Date Setting

541

40.3.1 Resetting the Time

544

CHAPTER 41

545

CHAPTER 42

549

42.2 IP Routing Policy Setup

550

(shown next)

552

LAN port

555

CHAPTER 43

557

CHAPTER 44

561

44.2 IPSec Summary Screen

562

44.3 IPSec Setup

564

44.4 IKE Setup

569

44.5 Manual Setup

571

CHAPTER 45

575

574 Chapter 45 SA Monitor

576

Chapter 45 SA Monitor 575

577

576 Chapter 45 SA Monitor

578

CHAPTER 46

579

Appendix A

583

Hardware Specifications

583

Power Adaptor Specifications

584

Appendix B

587

Installing Components

588

Configuring

589

Windows 2000/NT/XP

590

Macintosh OS 8/9

594

Macintosh OS X

596

Verifying Settings

597

Appendix C

599

IP Subnetting

599

Subnet Masks

600

Subnetting

600

Example: Two Subnets

601

600 Appendix C IP Subnetting

602

Table 232 Subnet 1

602

Table 233 Subnet 2

602

Example: Four Subnets

603

Example Eight Subnets

604

Appendix C IP Subnetting 603

605

604 Appendix C IP Subnetting

606

Appendix D

607

How PPPoE Works

608

ZyWALL as a PPPoE Client

608

Appendix E

609

PPTP Protocol Overview

610

Control & PPP Connections

610

PPP Data Connection

611

610 Appendix E PPTP

612

Appendix F

613

Wireless LAN and IEEE 802.11

613

Appendix G

617

Wireless LAN With IEEE 802.1x

617

Appendix H

619

Types of EAP Authentication

619

PEAP (Protected EAP)

620

Appendix I

621

Triangle Route

621

IP Aliasing

622

Gateways on the WAN Side

623

622 Appendix I Triangle Route

624

Appendix J

625

SIP Passthrough

625

SIP Servers

626

SIP User Agent Server

626

SIP Proxy Server

626

SIP Redirect Server

627

SIP Register Server

628

ZyXEL SIP ALG

629

SIP ALG and NAT

629

SIP ALG and Firewall

629

SIP ALG and Multiple WAN

629

Signaling Session Timeout

630

Audio Session Timeout

630

Appendix K

631

VPN Setup

631

630 Appendix K VPN Setup

632

Figure 398 VPN Rules

632

Appendix K VPN Setup 631

633

632 Appendix K VPN Setup

634

Appendix K VPN Setup 633

635

Figure 402 VPN Dial

635

VPN Configuration via SMT

636

Appendix K VPN Setup 635

637

636 Appendix K VPN Setup

638

VPN Troubleshooting

639

638 Appendix K VPN Setup

640

Figure 409 VPN Log Example

640

IPSec Debug

641

640 Appendix K VPN Setup

642

Appendix L

643

Importing Certificates

643

Figure 412 Login Screen

644

Appendix M

655

Command Interpreter

655

Appendix N

657

Firewall Commands

657

Appendix O

663

NetBIOS Filter Commands

663

NetBIOS Filter Configuration

664

Appendix P

667

Certificates Commands

667

Appendix Q

671

Brute-Force Password Guessing

671

Protection

671

Appendix R

673

Boot Commands

673

672 Appendix R Boot Commands

674

Appendix S

675

Log Descriptions

675

Table 248 System Error Logs

676

Table 250 TCP Reset Logs

677

Table 252 ICMP Logs

677

Table 253 CDR Logs

678

Table 254 PPP Logs

678

Table 255 UPnP Logs

679

Table 257 Attack Logs

680

Table 258 IPSec Logs

681

Table 259 IKE Logs

681

Table 260 PKI Logs

684

Table 262 802.1X Logs

686

Table 263 ACL Setting Notes

687

Table 264 ICMP Notes

687

Table 265 Syslog Logs

688

Log Commands

689

Log Command Example

690

Numerics

691

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