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HP ProCurve 6120G/XG User Manual
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Traffic/Security Fi
lters and Monitors
Filter Types and Operation
Filter T
ypes and Operation
T
able 11-1.
Filter T
ypes and Criteria
Static Filter
Selection Criteria
Ty
p
e
Source-Port
Inbound traffic from a designated,
physical source-port will be forwarded or
dropped on a per
-port (destination) basis.
11-3
438
440
Table of Contents
Table of Contents
5
Product Documentation
23
About Your Switch Manual Set
23
Printed Publications
23
Electronic Publications
23
Software Feature Index
24
Security Overview
29
Contents
29
Introduction
30
About this Guide
30
For more Information
30
Access Security Features
31
Network Security Features
35
Physical Security
37
Getting Started with Access Security
37
Quick Start: Using the Management Interface Wizard
38
CLI: Management Interface Wizard
38
Web: Management Interface Wizard
40
SNMP Security Guidelines
43
Precedence of Security Options
45
Precedence of Port-Based Security Options
45
Precedence of Client-Based Authentication: Dynamic Configuration Arbiter
45
Network Immunity Manager
46
Arbitrating Client-Specific Attributes
47
Procurve Identity-Driven Manager (IDM)
49
Configuring Username and Password Security
51
Contents
51
Overview
53
Menu: Setting Passwords
56
Configuring Local Password Security
56
CLI: Setting Passwords and Usernames
58
Web: Setting Passwords and Usernames
59
SNMP: Setting Passwords and Usernames
59
Saving Security Credentials in a Config File
60
Benefits of Saving Security Credentials
60
Enabling the Storage and Display of Security Credentials
61
Security Settings that Can be Saved
61
Local Manager and Operator Passwords
62
Password Command Options
62
SNMP Security Credentials
63
802.1X Port-Access Credentials
64
TACACS+ Encryption Key Authentication
65
RADIUS Shared-Secret Key Authentication
65
SSH Client Public-Key Authentication
66
Operating Notes
69
Restrictions
71
Front-Panel Security
73
When Security Is Important
73
Front-Panel Button Functions
74
Clear Button
75
Reset Button
75
Restoring the Factory Default Configuration
75
Configuring Front-Panel Security
77
Disabling the Clear Password Function of the Clear Button
79
Re-Enabling the Clear Button and Setting or Changing the "Reset-On-Clear" Operation
80
Changing the Operation of the Reset+Clear Combination
81
Password Recovery
82
Disabling or Re-Enabling the Password Recovery Process
82
Password Recovery Process
84
Web and MAC Authentication
85
Contents
85
Overview
87
Web Authentication
87
MAC Authentication
88
Concurrent Web and MAC Authentication
88
Authorized and Unauthorized Client Vlans
89
RADIUS-Based Authentication
90
Wireless Clients
90
How Web and MAC Authentication Operate
90
Web-Based Authentication
91
MAC-Based Authentication
93
Terminology
95
Operating Rules and Notes
96
Before You Configure Web/Mac Authentication
98
Setup Procedure for Web/Mac Authentication
98
Configuring the RADIUS Server to Support MAC Authentication
101
Configuring the Switch to Access a RADIUS Server
101
Configuring Web Authentication
104
Overview
104
Configuration Commands for Web Authentication
105
Show Commands for Web Authentication
112
Customizing Web Authentication HTML Files (Optional)
118
Implementing Customized Web-Auth Pages
118
Operating Notes and Guidelines
118
Customizing HTML Templates
119
Customizable HTML Templates
120
Configuring MAC Authentication on the Switch
134
Overview
134
Configuring the Global MAC Authentication Password
135
Configuration Commands for MAC Authentication
135
Configuring a MAC-Based Address Format
137
Show Commands for MAC-Based Authentication
139
Client Status
146
TACACS+ Authentication
147
Contents
147
Overview
148
Terminology Used in TACACS Applications
149
General System Requirements
151
General Authentication Setup Procedure
151
Configuring TACACS+ on the Switch
154
Before You Begin
154
CLI Commands Described in this Section
155
Viewing the Switch's Current Authentication Configuration
155
Viewing the Switch's Current TACACS+ Server Contact Configuration
156
Configuring the Switch's Authentication Methods
157
Using the Privilege-Mode Option for Login
157
Authentication Parameters
158
Configuring the TACACS+ Server for Single Login
159
Configuring the Switch's TACACS+ Server Access
164
How Authentication Operates
170
General Authentication Process Using a TACACS+ Server
170
Local Authentication Process
172
Using the Encryption Key
173
General Operation
173
Encryption Options in the Switch
173
Controlling Web Browser Interface Access When Using TACACS+ Authentication
174
Messages Related to TACACS+ Operation
175
Operating Notes
175
Contents
177
Authentication Services
179
Overview
179
RADIUS Authentication, Authorization, and Accounting
179
Accounting Services
180
RADIUS-Administered Cos and Rate-Limiting
180
RADIUIS-Administered Commands Authorization
180
SNMP Access to the Switch's Authentication Configuration MIB
180
Overview
180
Terminology
181
Switch Operating Rules for RADIUS
182
General RADIUS Setup Procedure
183
Configuring the Switch for RADIUS Authentication
184
Outline of the Steps for Configuring RADIUS Authentication
185
Configure Authentication for the Access Methods You Want RADIUS to Protect
186
Enable the (Optional) Access Privilege Option
189
Configure the Switch to Access a RADIUS Server
190
Configure the Switch's Global RADIUS Parameters
193
Using Multiple RADIUS Server Groups
197
Commands
197
Enhanced Commands
198
Displaying the RADIUS Server Group Information
200
Cached Reauthentication
202
Timing Considerations
203
Using SNMP to View and Configure Switch Authentication Features
206
Changing and Viewing the SNMP Access Configuration
207
Local Authentication Process
209
Controlling Web Browser Interface Access
210
Commands Authorization
211
Enabling Authorization
212
Using Vendor Specific Attributes (Vsas)
213
Configuring Commands Authorization on a RADIUS Server
213
Displaying Authorization Information
213
Example Configuration on Cisco Secure ACS for MS Windows
215
Example Configuration Using Freeradius
217
VLAN Assignment in an Authentication Session
219
Tagged and Untagged VLAN Attributes
220
Additional RADIUS Attributes
221
Configuring RADIUS Accounting
223
Operating Rules for RADIUS Accounting
225
Steps for Configuring RADIUS Accounting
225
Configure the Switch to Access a RADIUS Server
226
Configure Accounting Types and the Controls for Sending Reports to the RADIUS Server
228
Optional) Configure Session Blocking and Interim Updating Options
230
Viewing RADIUS Statistics
232
General RADIUS Statistics
232
RADIUS Authentication Statistics
234
RADIUS Accounting Statistics
235
Changing RADIUS-Server Access Order
236
Messages Related to RADIUS Operation
239
Configuring RADIUS Server Support
241
For Switch Services
241
Contents
241
Overview
243
RADIUS Server Configuration for Per-Port Cos (802.1P Priority) and Rate-Limiting
244
Applied Rates for RADIUS-Assigned Rate Limits
245
RADIUS Server Configuration for Per-Port Cos (802.1P Priority) and Rate-Limiting
245
Viewing the Currently Active Per-Port Cos and Rate-Limiting Configuration Specified by a RADIUS Server
246
Configuring and Using RADIUS-Assigned Access Control Lists
249
Introduction
249
Terminology
249
Overview of RADIUS-Assigned, Dynamic Acls
252
Contrasting Dynamic (RADIUS-Assigned) and Static Acls
253
How a RADIUS Server Applies a RADIUS-Assigned
254
ACL to a Switch Port
254
General ACL Features, Planning, and Configuration
255
The Packet-Filtering Process
256
Operating Rules for RADIUS-Assigned Acls
256
Configuring an ACL in a RADIUS Server
257
Nas-Filter-Rule-Options
258
Configuring ACE Syntax in RADIUS Servers
258
Example Using the Standard Attribute (92) in an Ipv4 ACL
260
Example of Configuring a RADIUS-Assigned ACL Using the Freeradius Application
261
Format Details for Aces Configured in a RADIUS-Assigned ACL
263
Configuration Notes
264
Configuring the Switch to Support RADIUS-Assigned
264
Acls
264
Displaying the Current RADIUS-Assigned ACL Activity
266
On the Switch
266
ICMP Type Numbers and Keywords
268
Event Log Messages
269
Causes of Client Deauthentication Immediately after Authenticating
270
Monitoring Shared Resources
270
Contents
271
Configuring Secure Shell (SSH)
272
Overview
272
Terminology
273
Prerequisite for Using SSH
275
Public Key Formats
275
Steps for Configuring and Using SSH for Switch and Client Authentication
276
General Operating Rules and Notes
278
Configuring the Switch for SSH Operation
279
Configuring the Switch for SSH Operation
280
Assigning a Local Login (Operator) and Enable (Manager) Password
280
Generating the Switch's Public and Private Key Pair
280
Configuring Key Lengths
283
Providing the Switch's Public Key to Clients
283
Enabling SSH on the Switch and Anticipating SSH Client Contact Behavior
285
Configuring the Switch for SSH Authentication
290
Use an SSH Client to Access the Switch
294
Further Information on SSH Client Public-Key Authentication
294
Messages Related to SSH Operation
300
Logging Messages
301
Debug Logging
302
Contents
303
Configuring Secure Socket Layer (SSL)
304
Overview
304
Terminology
305
Prerequisite for Using SSL
307
Steps for Configuring and Using SSL for Switch and Client Authentication
307
General Operating Rules and Notes
308
Configuring the Switch for SSL Operation
309
Assigning a Local Login (Operator) and Enabling (Manager) Password
309
Generating the Switch's Server Host Certificate
310
To Generate or Erase the Switch's Server Certificate
311
With the CLI
311
Comments on Certificate Fields
312
Generate a Self-Signed Host Certificate with the Web Browser
314
Interface
314
Generate a CA-Signed Server Host Certificate with the Web Browser Interface
317
Enabling SSL on the Switch and Anticipating SSL Browser Contact Behavior
319
Using the CLI Interface to Enable SSL
321
Using the Web Browser Interface to Enable SSL
321
Common Errors in SSL Setup
323
Ipv4 Access Control Lists (Acls)
325
Contents
325
Optional Network Management Applications
328
ACL Applications
328
Introduction
328
Optional PCM and IDM Applications
329
General Application Options
329
Terminology
331
Overview
334
Types of IP Acls
334
ACL Inbound Application Points
334
Features Common to All Acls
335
General Steps for Planning and Configuring Acls
336
ACL Operation
337
Introduction
337
The Packet-Filtering Process
338
ACL Resource Usage and Monitoring
341
Switch Resource Usage
341
Prioritizing and Monitoring ACL and Qos, Feature Usage
341
Planning an ACL Application
341
Rule Usage
342
Managing ACL Resource Consumption
343
Oversubscribing Available Resources
343
Troubleshooting a Shortage of Resources
343
Example of ACL Resource Usage
344
Viewing the Current Rule Usage
344
Traffic Management and Improved Network Performance
347
Security
347
Guidelines for Planning the Structure of an ACL
348
ACL Configuration and Operating Rules
349
How an ACE Uses a Mask to Screen Packets for Matches
350
What Is the Difference between Network (or Subnet) Masks and the Masks Used with Acls
351
Rules for Defining a Match between a Packet and an Access Control Entry (ACE)
352
Configuring and Assigning an ACL
357
Overview
357
General Steps for Implementing Acls
357
Types of Acls
357
ACL Configuration Structure
358
Standard ACL Structure
359
Extended ACL Configuration Structure
359
ACL Configuration Factors
361
ACL Resource Consumption
361
The Sequence of Entries in an ACL Is Significant
361
In any ACL, There will Always be a Match
362
A Configured ACL Has no Effect until You Apply It to an Interface
362
Using CIDR Notation to Enter the ACL Mask
363
General ACE Rules
363
Using the CLI to Create an ACL
363
Configuring and Assigning a Numbered, Standard ACL
364
Configuring and Assigning a Numbered, Extended ACL
369
Configuring a Named ACL
375
Enabling or Disabling ACL Filtering on an Interface
377
Deleting an ACL from the Switch
378
Displaying ACL Data
379
Display an ACL Summary
379
Display the Content of All Acls on the Switch
380
Display the ACL Assignments for an Interface
381
Displaying the Content of a Specific ACL
382
Displaying the Current ACL Resources
384
Display All Acls and Their Assignments in the Switch Startup-Config File and Running-Config File
385
Editing Acls and Creating an ACL Offline
385
Using the CLI to Edit Acls
385
Editing Acls and Creating an ACL Offline
386
Deleting any ACE from an ACL
386
General Editing Rules
386
Working Offline to Create or Edit an ACL
388
Creating an ACL Offline
389
Enable ACL "Deny" Logging
392
Requirements for Using ACL Logging
392
ACL Logging Operation
393
Enabling ACL Logging on the Switch
393
Operating Notes for ACL Logging
395
General ACL Operating Notes
396
Configuring Advanced Threat Protection
399
Contents
399
Introduction
401
DHCP Snooping
402
Overview
402
Enabling DHCP Snooping
403
DHCP Snooping
403
Enabling DHCP Snooping on VLANS
405
Configuring DHCP Snooping Trusted Ports
406
Configuring Authorized Server Addresses
407
Using DHCP Snooping with Option 82
407
Changing the Remote-ID from a MAC to an IP Address
409
Disabling the MAC Address Check
409
The DHCP Binding Database
410
Operational Notes
411
Log Messages
412
Dynamic ARP Protection
414
Introduction
414
Enabling Dynamic ARP Protection
416
Configuring Trusted Ports
416
Adding an IP-To-MAC Binding to the DHCP Database
418
Configuring Additional Validation Checks on ARP Packets
419
Verifying the Configuration of Dynamic ARP Protection
419
Displaying ARP Packet Statistics
420
Monitoring Dynamic ARP Protection
421
Dynamic IP Lockdown
421
Protection against IP Source Address Spoofing
422
Prerequisite: DHCP Snooping
422
Filtering IP and MAC Addresses Per-Port and Per-VLAN
423
Enabling Dynamic IP Lockdown
424
Operating Notes
424
Adding an IP-To-MAC Binding to the DHCP Binding Database
426
Potential Issues with Bindings
426
Adding a Static Binding
427
Verifying the Dynamic IP Lockdown Configuration
427
Displaying the Static Configuration of IP-To-MAC Bindings
428
Debugging Dynamic IP Lockdown
429
Using the Instrumentation Monitor
431
Operating Notes
432
Configuring Instrumentation Monitor
433
Examples
434
Viewing the Current Instrumentation Monitor Configuration
435
Traffic/Security Filters and Monitors
438
Overview
438
Introduction
438
Filter Limits
438
Using Port Trunks with Filters
438
Filter Types and Operation
439
Source-Port Filters
440
Operating Rules for Source-Port Filters
440
Example
441
Named Source-Port Filters
442
Operating Rules for Named Source-Port Filters
442
Defining and Configuring Named Source-Port Filters
443
Viewing a Named Source-Port Filter
444
Using Named Source-Port Filters
445
Configuring Traffic/Security Filters
451
Configuring a Source-Port Traffic Filter
452
Example of Creating a Source-Port Filter
453
Configuring a Filter on a Port Trunk
453
Editing a Source-Port Filter
454
Filter Indexing
455
Displaying Traffic/Security Filters
456
User-Based Access Control (802.1X)
457
Contents
457
Overview
460
Why Use Port-Based or User-Based Access Control
460
General Features
460
User Authentication Methods
461
802.1X User-Based Access Control
461
802.1X Port-Based Access Control
462
Alternative to Using a RADIUS Server
463
Accounting
463
Terminology
463
General 802.1X Authenticator Operation
466
Example of the Authentication Process
466
VLAN Membership Priority
467
General Operating Rules and Notes
469
General Setup Procedure for 802.1X Access Control
471
Do These Steps before You Configure 802.1X Operation
471
Overview: Configuring 802.1X Authentication on the Switch
474
Configuring Switch Ports as 802.1X Authenticators
475
The (Default) Port-Based Authentication
476
Enable the Selected Ports as Authenticators and Enable
476
Enable the Selected Ports as Authenticators and Enable the (Default) Port-Based Authentication
476
Enable 802.1X Authentication on Selected Ports
476
Specify User-Based Authentication or Return to Port-Based Authentication
477
Example: Configuring User-Based 802.1X Authentication
478
Example: Configuring Port-Based 802.1X Authentication
478
Reconfigure Settings for Port-Access
478
Configure the 802.1X Authentication Method
481
Enter the RADIUS Host IP Address(Es)
482
Enable 802.1X Authentication on the Switch
482
Optional: Reset Authenticator Operation
483
Optional: Configure 802.1X Controlled Directions
483
Wake-On-LAN Traffic
484
Operating Notes
484
Example: Configuring 802.1X Controlled Directions
485
Unauthenticated VLAN Access (Guest VLAN Access)
485
Characteristics of Mixed Port Access Mode
486
Configuring Mixed Port Access Mode
487
802.1X Open VLAN Mode
488
Introduction
488
VLAN Membership Priorities
489
Use Models for 802.1X Open VLAN Modes
490
Operating Rules for Authorized-Client and Unauthorized-Client Vlans
495
Setting up and Configuring 802.1X Open VLAN Mode
499
802.1X Open VLAN Operating Notes
503
Option for Authenticator Ports: Configure Port-Security to Allow Only 802.1X-Authenticated Devices
504
Port-Security
504
Port-Security
505
Configuring Switch Ports to Operate as Supplicants for 802.1X Connections to Other Switches
506
Example
506
Supplicant Port Configuration
508
Displaying 802.1X Configuration, Statistics, and Counters
510
Show Commands for Port-Access Authenticator
510
Viewing 802.1X Open VLAN Mode Status
519
Show Commands for Port-Access Supplicant
523
How RADIUS/802.1X Authentication Affects VLAN Operation
524
VLAN Assignment on a Port
525
Operating Notes
525
Example of Untagged VLAN Assignment in a RADIUS-Based Authentication Session
527
Enabling the Use of GVRP-Learned Dynamic Vlans in Authentication Sessions
530
Messages Related to 802.1X Operation
532
Configuring and Monitoring Port Security
533
Contents
533
Overview
535
Port Security
536
Basic Operation
536
Eavesdrop Prevention
537
Disabling Eavesdrop Prevention
537
Feature Interactions When Eavesdrop Prevention Is Disabled
538
Blocking Unauthorized Traffic
539
MIB Support
539
Trunk Group Exclusion
540
Planning Port Security
541
Port Security Command Options and Operation
542
Port Security Display Options
542
Configuring Port Security
546
Retention of Static Addresses
551
MAC Lockdown
556
MAC Lockdown
557
Differences between MAC Lockdown and Port Security
558
MAC Lockdown Operating Notes
559
Deploying MAC Lockdown
560
MAC Lockout
560
MAC Lockout
561
Port Security and MAC Lockout
563
Notice of Security Violations
564
Web: Displaying and Configuring Port Security Features
564
Reading Intrusion Alerts and Resetting Alert Flags
564
How the Intrusion Log Operates
565
Keeping the Intrusion Log Current by Resetting Alert Flags
566
Menu: Checking for Intrusions, Listing Intrusion Alerts, and Resetting Alert Flags
567
CLI: Checking for Intrusions, Listing Intrusion Alerts, and Resetting Alert Flags
568
Using the Event Log to Find Intrusion Alerts
570
Web: Checking for Intrusions, Listing Intrusion Alerts, and Resetting Alert Flags
571
Operating Notes for Port Security
572
Contents
575
Using Authorized IP Managers
576
Overview
576
Options
577
Access Levels
577
Defining Authorized Management Stations
578
Overview of IP Mask Operation
578
Menu: Viewing and Configuring IP Authorized Managers
579
CLI: Viewing and Configuring Authorized IP Managers
580
Listing the Switch's Current Authorized IP Manager(S)
580
Configuring IP Authorized Managers for the Switch
581
Web: Configuring IP Authorized Managers
583
Web Proxy Servers
583
How to Eliminate the Web Proxy Server
583
Using a Web Proxy Server to Access the Web Browser
584
Interface
584
Web-Based Help
584
Building IP Masks
584
Configuring One Station Per Authorized Manager IP Entry
584
Configuring Multiple Stations Per Authorized Manager IP Entry
585
Additional Examples for Authorizing Multiple Stations
587
Operating Notes
587
Other manuals for HP ProCurve 6120G/XG
Configuration Guide
662 pages
Installation And Getting Started Guide
62 pages
Installation Instructions
4 pages
4
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HP ProCurve 6120G/XG Specifications
General
Brand
HP
Model
ProCurve 6120G/XG
Category
Switch
Language
English
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