## Work with Other Security Products

On your network, there may be installations of an IPSec product other than Intel Packet Protect. If this is the case, make sure that the security settings used by your systems match the security settings used by the other IPSec systems. This is because two IPSec-enabled systems must agree on these security settings in order to communicate in a protected way.

You might be managing both security product deployments, in which case you can verify the settings that need to match. If another network administrator manages the security systems using a different product, contact that network administrator to verify the settings.

In order to communicate with a Intel Packet Protect system using IPSec, the two systems must use compatible settings for the following:

- IKE. Both systems must use compatible IKE settings. Click for more information about IKE settings.

- Authentication. Both systems must use either pre-shared keys (the pre-shared key must be the same for both systems) or an Entrust* certificate to authenticate each other's identity. Click for more information about authentication.

- IPSec. Both systems must use compatible IPSec settings. Click for information about IPSec settings.

Note: If you decide to install Intel Packet Protect for a system that currently uses a different IPSec product, uninstall the other product, then install Intel Packet Protect. Click for detailed information about installing Intel Packet Protect.

Click for information about interoperability with Windows* 2000.

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