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6-2
Configuring Secure Shell (SSH)
Overview
Overview
The ProCurve switches covered in this guide use Secure Shell version 1 or 2
(SSHv1 or SSHv2) to provide remote access to management functions on the
switches via encrypted paths between the switch and management station
clients capable of SSH operation.
SSH provides Telnet-like functions but, unlike Telnet, SSH provides encrypted,
authenticated transactions. The authentication types include:
■ Client public-key authentication
■ Switch SSH and user password authentication
Client Public Key Authentication (Login/Operator Level) with User
Password Authentication (Enable/Manager Level). This option uses
one or more public keys (from clients) that must be stored on the switch. Only
a client with a private key that matches a stored public key can gain access
to the switch. (The same private key can be stored on one or more clients.)
Figure 6-1. Client Public Key Authentication Model
Feature Default Menu CLI Web
Generating a public/private key pair on the switch No n/a page 6-10 n/a
Using the switch’s public key n/a n/a page 6-12 n/a
Enabling SSH Disabled n/a page 6-15 n/a
Enabling client public-key authentication Disabled n/a pages 6-19,
6-21
n/a
Enabling user authentication Disabled n/a page 6-18 n/a
ProCurve
Switch
(SSH
Server)
1. Switch-to-Client SSH authentication.
2.Client-to-Switch (login rsa) authentication
3.User-to-Switch (enable password) authentication
options:
– Local
–TACACS+
–RADIUS
–None
SSH
Client
Work-
Station