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Network Security White Paper ver. G.1.2

Page 33 of 72

Encryption:

Clear Text (No encryption)

DES

3DES

AES-128

AES-192

AES-256

Authentication:

HMAC-MD5-96

HMAC-SHA1-96

The encryption or authentication keys can be set manually or generated automatically using IKE.

NOTE: IPsec are disabled for DHCP, DNS, WINS, and HTTPS by default. IPsec can be applied to these

protocols by enabling it in mshell.

2-2-2 Recommended Precautions

The suggested precautions are as follows.

Key Exchange:

Use IKE instead of the manual key exchange. If the encryption or authentication keys have to be set

manually, there will be no re-keying. The same keys will be used until manually changed again.

Security Protocol:

Scenario 1

Basic: AH

No encryption.

Selectable authentication algorithm.

Scenario 2

Standard: ESP

Payload is encrypted.

Selectable authentication algorithm.

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