D-Link DI-804V manual This string is used as key authentication

Incoming SPI

Enter the Incoming SPI that the remote VPN Gateway will use to identify this SA.

Outgoing SPI

Enter the Outgoing SPI that the local VPN Gateway will use identify this SA

Encryption Protocol

VPN Internet Gateway supports three encryption algorithms (Null, DES, or 3DES); user can select an appropriate encryption algorithm.

Encryption Key

This string is used as a key to encrypt and decrypt the data transmitted.

Authentication Protocol

VPN Internet Gateway supports two authentication algorithms (MD5 or SHA-1); user can select an appropriate authentication algorithm.

Authentication Key

This string is used as key authentication.

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