Chapter 12
| Security Measures
Configuring the Secure Shell
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3. Enable the SSH server.
4. Adjust the authentication parameters as required.
5. Click Apply.
Figure 181: Configuring the SSH Server
Generating the
Host Key Pair
Use the Security > SSH (Configure Host Key - Generate) page to generate a host
public/private key pair used to provide secure communications between an SSH
client and the switch. After generating this key pair, you must provide the host
public key to SSH clients and import the client’s public key to the switch as
described in the section “Importing User Public Keys” on page 288.
Note:
A host key pair must be configured on the switch before you can enable the
SSH server. See “Configuring the SSH Server” on page 285.
Parameters
These parameters are displayed:
◆ Host-Key Type – The key type used to generate the host key pair (i.e., public
and private keys). (Range: RSA (Version 1), DSA (Version 2), Both; Default: Both)
The SSH server uses RSA or DSA for key exchange when the client first
establishes a connection with the switch, and then negotiates with the client to
select either DES (56-bit) or 3DES (168-bit) for data encryption.
Note:
The switch uses only RSA Version 1 for SSHv1.5 clients and DSA Version 2 for
SSHv2 clients.
◆ Save Host-Key from Memory to Flash – Saves the host key from RAM (i.e.,
volatile memory) to flash memory. Otherwise, the host key pair is stored to
RAM by default. Note that you must select this item prior to generating the
host-key pair. (Default: Disabled)
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