Brocade Multi-Service IronWare Security Configuration Guid Manual de usuario descargar pdf (Pagina 3)

Multi-Service IronWare Security Configuration Guide iii

53-1003035-02

Contents

About This Document

In this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii

Supported hardware and software . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Supported software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv

Document conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Text formatting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Notes, cautions, and danger notices . . . . . . . . . . . . . . . . . . . . . xv

Notice to the reader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi

Related publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi

Getting technical help or reporting errors . . . . . . . . . . . . . . . . . . . . .xvii

Chapter 1 Securing Access to Management Functions

Securing access methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Restricting remote access to management functions . . . . . . . . . . . . 6

Using ACLs to restrict remote access . . . . . . . . . . . . . . . . . . . . . . 6

Defining the console idle time . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Restricting remote access to the device to

specific IP addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Defining the Telnet idle time . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Specifying the maximum login attempts for Telnet access. . . . 12

Restricting remote access to the device

to specific VLAN IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Enabling specific access methods . . . . . . . . . . . . . . . . . . . . . . .13

Setting passwords. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Setting a Telnet password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Setting passwords for management privilege levels . . . . . . . . . 17

Recovering from a lost password . . . . . . . . . . . . . . . . . . . . . . . . 19

Displaying the SNMP community string . . . . . . . . . . . . . . . . . . .19

Disabling password encryption . . . . . . . . . . . . . . . . . . . . . . . . . .20

Specifying a minimum password length. . . . . . . . . . . . . . . . . . .20

Setting up local user accounts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Configuring a local user account . . . . . . . . . . . . . . . . . . . . . . . . 21

Enabling strict password enforcement . . . . . . . . . . . . . . . . . . . . . . .22

Configuring the strict password rules. . . . . . . . . . . . . . . . . . . . .23

Password history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Setting passwords to expire . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Requirement to accept the message of the day . . . . . . . . . . . .26

1 2 3 4 5 6 7 8 ... 369 370

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Brocade Multi-Service IronWare Security Configuration Guid Manual de usuario Pagina 3