6-3
Configuring Secure Shell (SSH)
Overview
Note SSH in the ProCurve switch is based on the OpenSSH software toolkit. For
more information on OpenSSH, visit
http://www.openssh.com.
Switch SSH and User Password Authentication . This option is a subset
of the client public-key authentication show in figure 6-1. It occurs if the switch
has SSH enabled but does not have login access (login public-key) configured
to authenticate the client’s key. As in figure 6-1, the switch authenticates itself
to SSH clients. Users on SSH clients then authenticate themselves to the
switch (login and/or enable levels) by providing passwords stored locally on
the switch or on a TACACS+ or RADIUS server. However, the client does not
use a key to authenticate itself to the switch.
Figure 6-2. Switch/User Authentication
SSH on the ProCurve switches covered in this guide supports these data
encryption methods:
â– 3DES (168-bit)
â– DES (56-bit)
Note The ProCurve switches covered in this guide use the RSA algorithm for
internally generated keys (v2 shared host key). However, ProCurve switches
support both RSA and DSA/DSS keys for client authentication. All references
to either a public or private key mean keys generated using these algorithms
unless otherwise noted
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