Brocade FastIron Ethernet Switch Security Configuration Gu Handbücher

Bedienungsanleitungen und Benutzerhandbücher für Computerzubehör Brocade FastIron Ethernet Switch Security Configuration Gu.
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Inhaltsverzeichnis

FastIron Ethernet Switch

1

Contents

3

53-1003088-03

10

Document conventions

13

Notes, cautions, and warnings

14

Brocade resources

15

Getting technical help

15

Document feedback

16

About This Document

17

Security Access

19

Securing access methods

20

Remote access restrictions

25

Restricting Telnet connection

26

Defining the Telnet idle time

27

Device management security

30

Disabling Telnet access

31

Disabling SNMP access

31

Disabling TFTP access

31

Setting a Telnet password

32

Local user accounts

35

Enabling user password aging

38

Configuring password history

38

Enhanced login lockout

39

Setting passwords to expire

39

TACACS and TACACS+ security

42

TACACS authentication

44

TACACS+ authorization

45

TACACS+ accounting

45

Configuring TACACS

47

Configuring TACACS+

47

Enabling TACACS

48

Setting the TACACS+ key

49

Setting the timeout parameter

50

RADIUS security

58

RADIUS accounting

59

AAA operations for RADIUS

59

Configuring RADIUS

61

RADIUS server per port

64

RADIUS parameters

66

Setting RADIUS over IPv6

67

RADIUS authorization

69

SSL security

73

Authentication-method lists

75

SSH2 and SCP

81

Tested SSH2 clients

82

SSH2 supported features

82

SSH2 authentication types

83

Optional SSH parameters

88

Setting the SSH port number

89

Displaying SSH information

90

Secure copy with SSH2

93

SSH2 client

96

Enabling SSH2 client

97

Using SSH2 client

98

Rule-Based IP ACLs

101

ACL overview

103

Types of IP ACLs

104

ACL IDs and entries

104

Numbered and named ACLs

105

Default ACL action

105

How hardware-based ACLs work

106

Standard numbered ACL syntax

108

Standard named ACL syntax

109

Extended numbered ACL syntax

112

Extended named ACL syntax

118

ACL comment text management

123

Viewing comments in an ACL

124

ACL logging

126

Displaying ACL Log Entries

128

ACLs to filter ARP packets

132

Clearing the filter count

134

QoS options for IP ACLs

135

ACL-based rate limiting

140

ACL statistics

140

ACL accounting

141

Displaying ACL information

143

Troubleshooting ACLs

144

Policy-based routing (PBR)

144

Configuring a PBR policy

145

Configuring the ACLs

145

Configuring the route map

147

Enabling PBR

148

Setting the next hop

149

IPv6 ACLs

153

IPv6 ACL configuration notes

155

Configuring an IPv6 ACL

156

Creating an IPv6 ACL

158

For ICMP

159

ICMP message configurations

163

Support for ACL logging

166

Displaying IPv6 ACLs

168

802.1X Port Security

169

IETF RFC support

170

Setting the IP MTU size

175

EAP pass-through support

176

802.1X accounting

180

Setting RADIUS parameters

181

Supported RADIUS attributes

182

Re-authenticate a user

183

Specifying an untagged VLAN

185

Specifying a tagged VLAN

185

Disabled strict security mode

188

Enabling 802.1X port security

191

Setting the port control

191

Setting the quiet period

193

Initializing 802.1X on a port

195

Displaying 802.1X information

200

Syntax: show dot1x

201

Displaying 802.1X statistics

205

Clearing 802.1X statistics

206

Sample 802.1X configurations

210

Point-to-point configuration

211

Hub configuration

212

MAC Port Security

217

Secure MAC movement

219

On an untagged interface

221

On a tagged interface

221

Clearing violation statistics

223

MAC-based VLANs

227

Static and dynamic hosts

228

Dynamic MAC-based VLAN

229

MAC-based VLAN configuration

231

RADIUS server

232

Aging for MAC-based VLAN

233

For blocked hosts

234

Globally disabling aging

234

Displaying the MAC-VLAN table

237

Clearing MAC-VLAN information

243

Defining MAC Address Filters

247

RADIUS authentication

255

Unauthenticated port behavior

255

Support for dynamic ACLs

256

Defining MAC address filters

261

MAC address or port

275

MAC addresses

277

Web Authentication

291

Using local user databases

296

Creating static passcodes

300

Automatic authentication

304

Specifying trusted ports

305

Filtering DNS queries

308

Web authentication pages

310

Customizing the title bar

315

Customizing the header

316

Customizing the text box

316

Customizing the login button

317

Customizing the footer

317

Displaying passcodes

321

DoS Attack Protection

323

TCP SYN attacks

326

TCP security enhancement

327

Dynamic ARP inspection

331

About Dynamic ARP Inspection

332

ARP entries

333

Displaying the ARP table

335

DHCP snooping

336

How DHCP snooping works

337

Configuring DHCP snooping

339

Multi-VRF support

341

DHCP relay agent information

342

DHCP Option 82 sub-options

344

DHCP option 82 configuration

345

IP source guard

349

DHCPv6 snooping

355

How DHCPv6 snooping works

356

Configuring DHCPv6 snooping

357

IPv6 RA Guard

361

RA guard policy

362

Whitelist

362

Prefix list

362

Maximum preference

362

Configuring IPv6 RA guard

363

Configuring port A:

365

Configuring port C:

365

Configuring port B:

365

Security Commands

367

802.1x port security

385





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