HP 4100GL Manuale Utente Scaricare il pdf (Pagina 54)

TACACS+ Authentication

Operating Notes

 When TACACS+ is not enabled on the switch—or when the switch’s

only designated TACACS+ servers are not accessible— setting a local

Operator password without also setting a local Manager password

does not protect the switch from manager-level access by unautho-

rized persons.)

2-26

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 227 228

HP Procurve Series 4100GL 3
Switches 3
2 TACACS+ Authentication 6
Getting Started 13
Introduction 14
Command Syntax Conventions 16
Simulating Display Output 16
Related Publications 17
Sources for More Information 20
Need Only a Quick Start? 21
Menu: Setting Passwords 26
TACACS+ Authentication 29
Software 31
Release G.05. xx 31
Terminology Used in TACACS 32
Applications: 32
General System Requirements 33
Privilege Levels 35
Before You Begin 37
Configuration 38
Caution Regarding 41
Login Primary 41
Note on 44
Encryption Keys 44
First-Choice TACACS+ Server 46
How Authentication Operates 48
Local Authentication Process 50
Using the Encryption Key 51
Access When Using TACACS+ 52
Authentication 52
Messages Related to TACACS+ 53
Preparation: 59
Want RADIUS To Protect 62
The switch now 63
SSH authentication 63
Access When Using RADIUS 69
 IP address: 10.33.18.151 73
 Stop-Only: 75
 Start-Stop: 75
Viewing RADIUS Statistics 77
RADIUS Accounting Statistics 80
Prerequisite for Using SSH 88
Public Key Formats 89
Host Public 96
Key for the 96
Bit size 97
Exponent <e> 97
Modulus <n> 97
Client Contact Behavior 99
 Execute no ip ssh 100
Public-Key Authentication 106
Bit Size Exponent 107
<e> 107
Modulus 107
<n> 107
Comment 107
Key Index 109
Contents 113
Overview 114
Terminology 115
Prerequisite for Using SSL 116
Operation 119
Password 120
Security Tab 120
Show host certificate 124
Current SSL 127
Host Certificate 127
Browser Contact Behavior 129
Enable SLL 132
Common Errors in SSL setup 133
(802.1x) 135
Overview 136
How 802.1x Operates 139
as defined in the 142
802.1x standard 142
Access Control (802.1x) 145
Authenticators 148
802.1x Open VLAN Mode 154
802.1x Open VLAN Mode 155
Unauthorized-Client VLANs 158
802.1x Devices 165
Blocking a Non 166
802.1x Device 166
Other Switches 167
Statistics, and Counters 171
 The switch reboots 176
After the 802.1x session 180
Basic Operation 184
• PC1 can access Switch A 186
Planning Port Security 187
Configuring Port Security 192
Security Features 197
Alert Flags 197
Resetting Alert Flags 199
Yes” for the port on which 201
Options 209
Access Levels 209
Stations 210
Managers 211
Building IP Masks 215
IP Entry 216
Operating Notes 218
Using Authorized IP Managers 219
Index – 1 221
2 – Index 222
Index – 3 223
4 – Index 224
Index – 5 225
6 – Index 226
5990-3032 228

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HP 4100GL Manuale Utente Pagina 54

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