9 Management Protocols
9-10 VPN 3000 Concentrator Series User Guide
Configuration | System | Management Protocols | SNMP Communities | Add or Modify
These Manager screens let you:
Add: Configure and add a new SNMP community string.
Modify: Modify a configured SNMP community string.
Figure 9-8: Configuration | System | Management Protocols | SNMP Communities | Add or Modify
screen

Community String

Enter the SNMP community string. Maximum 31 characters, case-sensitive.
Add or Apply / Cancel
To add this entry to the list of configured community strings, click Add. Or to apply your changes to this
community string, click Apply. Both actions include your entry in the active configuration. The Manager
returns to the Configuration | System | Management Protocols | SNMP Communities screen; a new entry
appears at the bottom of the Community Strings list.
Reminder: To save the active configuration and make it the boot configuration, click the Save Needed icon at the
top of the Manager window.
To discard your entry or changes, click Cancel. The Manager returns to the Configuration | System |
Management Protocols | SNMP Communities screen, and the Community Strings list is unchanged.
Configuration | System | Management Protocols | SSL
This screen lets you configure the VPN Concentrator SSL (Secure Sockets L ayer) protocol server. These
settings apply to both HTTPS and Telnet over SSL. HTTPS lets you use a Web browser over a secure,
encrypted connection to manage the VPN Concentrator.
SSL creates a secure session between the client and the VPN Concentrator server. The client first
authenticates the server, they negotiate session security parameters, and then they encrypt all data passed
during the session. If, during negotiation, the server and client cannot agree on security parameters, the
session terminates.
SSL uses digital certificates for authentication. The VPN Concentrator creates a self-signed SSL server
certificate when it boots; or you can install in the VPN Concentrator an SSL certificate that has been