
8 Management Protocols
8-10
VPN 3002 Hardware Client User Guide
Note: To ensure the security of your connection to the Manager, if you click
Apply on this screen—even if you
have made no changes—you will break your connection to the Manager and you must restart the
Manager session from the login screen.
Related information:
• For information on installing the SSL digital certificate in your browser and connecting via HTTPS,
see Chapter 1, Using the VPN 3002 Hardware Client Manager.
• To configure HTTPS parameters, see the
Configuration | System | Management Protocols | HTTP/HTTPS
screen.
• To configure Telnet/SSL parameters, see the Configuration | System | Management Protocols | Telnet
screen.
• To manage SSL digital certificates, see the
Administration | Certificate Management screens.
Figure 8-12: Configuration | System | Management Protocols | SSL screen
Encryption Protocols
Check the boxes for the encryption algorithms that the VPN 3002 SSL server can negotiate with a client
and use for session encryption. All are checked by default. You must check at least one algorithm to
enable SSL. Unchecking all algorithms disables SSL.
The algorithms are negotiated in the order shown. You cannot change the order, but you can enable or
disable selected algorithms.
RRC4-128/MD5 = RC4 encryption with a 128-bit key and the MD5 hash function. This option is
available in most SSL clients.
3DES-168/SHA = Triple-DES encryption with a 168-bit key and the SHA-1 hash function. This is the
strongest (most secure) option.
DES-56/SHA = DES encryption with a 56-bit key and the SHA-1 hash function.
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