HP 4100GL Manuel d'utilisateur Page 136
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- Table des matières
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Noté. / 5. Basé sur avis des utilisateurs
Configuring Port-Based Access Control (802.1x)
Overview
Overview
Feature Default Menu CLI Web
Configuring Switch Ports as 802.1x Authenticators Disabled n/a page 6-14 n/a
Configuring 802.1x Open VLAN Mode Disabled n/a page 6-20 n/a
Configuring Switch Ports to Operate as 802.1x Supplicants Disabled n/a page 6-33 n/a
Displaying 802.1x Configuration, Statistics, and Counters n/a n/a page 6-37 n/a
How 802.1x Affects VLAN Operation n/a n/a page 6-43 n/a
RADIUS Authentication and Accounting Refer to
“RADIUS Authentication and Accounting”
on page 3-1
Why Use Port-Based Access Control?
Local Area Networks are often deployed in a way that allows unauthorized
clients to attach to network devices, or allows unauthorized users to get
access to unattended clients on a network. Also, the use of DHCP services and
zero configuration make access to networking services easily available. This
exposes the network to unauthorized use and malicious attacks. While access
to the network should be made easy, uncontrolled and unauthorized access is
usually not desirable. 802.1x provides access control along with the ability to
control user profiles from a central RADIUS server while allowing users
access from multiple points within the network.
General Features
802.1x on the Series 4100GL switches includes the following:
Switch operation as both an authenticator (for supplicants having a
point-to-point connection to the switch) and as a supplicant for point-
to-point connections to other 802.1x-aware switches.
• Authentication of 802.1x clients using a RADIUS server and either the
EAP or CHAP protocol.
• Provision for enabling clients that do not have 802.1 supplicant soft-
ware to use the switch as a path for downloading the software and
initiating the authentication process (802.1x Open VLAN mode).
• Supplicant implementation using CHAP authentication and indepen-
dent username and password configuration on each port.
Prevention of traffic flow in either direction on unauthorized ports.
6-2
- 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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