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Policy Reference Guide
VPN Minimal Certificate Encryption Key Security Level IT policy rule
Description
This rule specifies the minimum security level for private keys that a BlackBerry® device uses for authentication methods that
require client certificates.
Default value
The default value is Low security. A BlackBerry device prompts the user only once for the key store password. The BlackBerry
device retrieves and stores, in unencrypted format, the private key with the VPN profile.
Usage
If you change this rule to High security, a BlackBerry device always prompts the user for the key store password when the
BlackBerry device requires access to the private key. This might happen frequently, even if the user typed the password recently.
Private keys are not stored with the VPN profile.
If you change this rule to Medium security, a BlackBerry device prompts the user for the key store password the first time only
and, from that point forward, only prompts the user again after the user resets the BlackBerry device. Private keys are cached in
memory but are not stored with the VPN profile.
Minimum requirements
•
Java® based BlackBerry device
•
BlackBerry® Device Software version 4.2.2
•
BlackBerry® Enterprise Server version 4.1 SP4
VPN NAT Keep Alive IT policy rule
Description
This rule specifies the NAT keep-alive frequency.
Default value
The default value is 1 minute.
Usage
Specify the interval, in minutes, after which a BlackBerry® device sends a keep-alive packet to the VPN concentrator to maintain
the connection to the VPN concentrator. The permitted range is 1 to 1439 minutes.
Minimum requirements
•
Java® based BlackBerry device
•
BlackBerry® Device Software version 4.0
•
BlackBerry® Enterprise Server version 4.0 SP1
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VPN policy group
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