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100

101

CHAPTER

30-1

Cisco Security Appliance Command Line Configuration Guide

OL-6721-01

Managing System Access

This chapter describes how to access the security appliance for system management through Telnet,

SSH, and HTTPS. It also describes how to authenticate and authorize users and how to create login

banners.

This chapter includes the following sections:

• Allowing Telnet Access, page 30-1

• Allowing SSH Access, page 30-2

• Configuring SSH Access, page 30-2

• Using an SSH Client, page 30-3

• Changing the Login Password, page 30-3

• Allowing HTTPS Access for ASDM, page 30-4

• Authenticating and Authorizing System Administrators, page 30-4

• Configuring a Login Banner, page 30-16

Allowing Telnet Access

The security appliance allows Telnet connections to the security appliance for management purposes.

You cannot use Telnet to the lowest security interface unless you use Telnet inside an IPSec tunnel.

The security appliance allows a maximum of 5 concurrent Telnet connections per context, if available,

with a maximum of 100 connections divided between all contexts.

To configure Telnet access to the security appliance, follow these steps:

Step 1 To identify the IP addresses from which the security appliance accepts connections, enter the following

command for each address or subnet:

hostname(config)# telnet

source_IP_address

mask

source_interface

If there is only one interface, you can configure Telnet to access that interface as long as the interface

has a security level of 100.

Step 2 (Optional) To set the duration for how long a Telnet session can be idle before the security appliance

disconnects the session, enter the following command:

hostname(config)# telnet timeout

minutes

1 2 ... 480 481 482 483 484 485 486 487 488 489 490 ... 603 604

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Cisco PIX 525 Specifiche Pagina 485

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