Diffie Hellman

VPN 3000 guide says that

"Group 5 (1536-bits) is the default choice for use with the AES encryption algorithms. It works only for LAN-to-LAN connections, and for clients using certificates".

but then it also says that one of the default IKE proposals is:

"CiscoVPNClient3DES-MD5-DH5 = Use preshared keys (XAUTH) and MD5/HMAC-128 for authentication. Use 3DES-168 encryption. Use D-H Group 5 to generate SA keys. This selection allows XAUTH user-based authentication"

Does this mean that this particular proposal can be used only for LAN-to-LAN connections or is there something I'm missing?

Thank you

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Posted 5 years ago by profile0104 in Cisco Systems

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