Configuration | User Management | Base Group
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VPN 3000 Concentrator Series User Guide
40-bit = L2TP clients are allowed to use the RSA RC4 encryption algorithm with a 40-bit key. This
is significantly less secure than the 128-bit option. Microsoft encryption (MPPE) uses this algorithm.
This option is not checked by default. If you check Required, you must check this option and/or the
128-bit option.
128-bit = L2TP clients are allowed to use the RSA RC4 encryption algorithm with a 128-bit key.
Microsoft encryption (MPPE) uses this algorithm. This option is not checked by default. If you
check Required, you must check this optio n and/or the 40-bit option. The U.S. government restricts
the distribution of 128-bit encryption software.
Apply / Cancel
When you finish setting base-group parameters on all tabs, click Apply at the bottom of the screen to
include your settings in the active configuration. The Manager returns to the Configuration | User
Management screen.
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 settings, click Cancel. The Manager returns to the Configuration | User Management screen.