IPSec Protocol Types

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

IPSec protocol types

IPSec protocols provide data and identity protection for each IP packet by adding their own security protocol header to each packet.

For information about AH and ESP when used in transport and tunnel mode, see the following topics:

• Transport mode

• Tunnel mode