Managing Switch Security

Setting Up Management Interfaces for ASA

 

 

 

 

Setting Up Management Interfaces for ASA

By default, authenticated access is available through the console port. Access through other management interfaces is disabled. Other management interfaces include Telnet, FTP, HTTP, Secure Shell, and SNMP. This chapter describes how to set up access for management interfaces. For more details about particular management interfaces and how they are used, see Chapter 1, “Logging Into the Switch.”

To give switch access to management interfaces, use the aaa authentication command to allow or deny access to each interface type; the default keyword may be used to configure access for all interface types. Specify the server(s) to be used for authentication through the indicated management interface.

Keywords used for specifying management interfaces are listed here:

keywords

console

ssh

telnet

snmp

ftp

default

http

 

Note that ssh is the keyword used to specify Secure Shell.

To specify an external authentication server or servers, use the RADIUS or LDAP server name or the keyword ace for an ACE/Server. To specify that the local user database should be used for authentication, use the local keyword. Up to four servers total may be specified.

RADIUS and LDAP servers are set up to communicate with the switch via the aaa radius-serverand aaa ldap-servercommands. ACE/Servers do not require any configuration, but you must FTP the sdconf.rec file from the server to the switch’s network directory. For more information about configuring the switch to communicate with these servers, see the “Managing Authentication Servers” chapter of the OmniSwitch 6600 Family Network Configuration Guide.

Note. RADIUS or LDAP servers used for authenticated switch access may also be used with authenti- cated VLANs. Authenticated VLANs are described in the “Configuring Authenticated VLANs” chapter of the OmniSwitch 6600 Family Network Configuration Guide.

The order of the specified servers is important. The switch uses only one server for authentication—the first available server in the list. All authentication attempts will be tried on that server. Other servers are not tried, even if they are available. If local is specified, it must be last in the list since the local user data- base is always available when the switch is up.

Servers may also be used for accounting, or logging, of authenticated sessions. See “Configuring Account- ing for ASA” on page 8-12.

The following table describes the management access interfaces or methods and the types of authentica- tion servers that may be used with them:

Server Type

Management Access Method

 

 

RADIUS

Telnet, FTP, HTTP, Secure Shell

 

 

LDAP

Telnet, FTP, HTTP, Secure Shell, SNMP

 

 

ACE/Server

Telnet, FTP, HTTP, Secure Shell

 

 

local

console, FTP, HTTP, Secure Shell, SNMP

 

 

OmniSwitch 6600 Family Switch Management Guide March 2005

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Alcatel Carrier Internetworking Solutions omniswitch manual Setting Up Management Interfaces for ASA, Keywords
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omniswitch specifications

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