Configuring Maximum Telnet/Ssh Sessions - AudioCodes Mediant 800 User Manual

CHAPTER 7 CLI-Based Management
3. On the CLI Settings page, do the following:
a. From the 'Enable SSH Server' drop-down list, select Enable.
b. For additional security, you can configure the 'Public Key' field to Enable. This ensures
that SSH access is only possible by using the RSA key and not by username and
password.
c. Configure the other SSH parameters as required. For a description of these parameters,
see
d. Click Apply.
4. Start the PuTTY Configuration program, and then do the following:
a. In the 'Category' tree, drill down to Connection, then SSH, and then Auth; the 'Options
controlling SSH authentication' pane appears.
b. Under the 'Authentication parameters' group, click Browse and then locate the private key
file that you created and saved in Step 4.
5. Connect to the device with SSH using the username "Admin"; RSA key negotiation occurs
automatically and no password is required.
➢
To configure RSA public keys for Linux (using OpenSSH 4.3):
1. Run the following command to create a new key in the admin.key file and to save the public
portion to the admin.key.pub file:
ssh-keygen -f admin.key -N "" -b 1024
2. Open the admin.key.pub file, and then copy the encoded string from "ssh-rsa" to the white
space.
3. Open the Local Users table (see
required user, paste the public key that you copied in Step 2 into the 'SSH Public Key' field.
4. Connect to the device with SSH, using the following command (where xx.xx.xx.xx is the
device's IP address):
ssh -i admin.key xx.xx.xx.xx
RSA-key negotiation occurs automatically and no password is required.

Configuring Maximum Telnet/SSH Sessions

You can configure the maximum number of concurrent Telnet and SSH sessions permitted on the
device.
SSH Parameters.
Configuring Management User
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Accounts), and then for the