Encryption Key Auto Exchange Security Level
When you select a security level, certain security settings are automatically configured. The following
table explains security level features.
Security Level Security Level Features
Authentication Only
Select this level if you want to authenticate the transmission partner
and prevent unauthorized data tampering, but not perform data
packet encryption.
Since the data is sent in cleartext, data packets are vulnerable to
eavesdropping attacks. Do not select this if you are exchanging
sensitive information.
Authentication and Low Level
Encryption
Select this level if you want to encrypt the data packets as well as
authenticate the transmission partner and prevent unauthorized
packet tampering. Packet encryption helps prevent
eavesdropping attacks. This level provides less security than
“Authentication and High Level Encryption”.
Authentication and High Level
Encryption
Select this level if you want to encrypt the data packets as well as
authenticate the transmission partner and prevent unauthorized
packet tampering. Packet encryption helps prevent
eavesdropping attacks. This level provides higher security than
“Authentication and Low Level Encryption”.
The following table lists the settings that are automatically configured according to the security level.
Setting Authentication Only
Authentication and Low Level
Encryption
Authentication and High
Level Encryption
Security
Policy
Apply Apply Apply
Encapsul
ation
Mode
Transport Transport Transport
IPsec
Requirem
ent Level
Use When Possible Use When Possible Always Require
Authentic
ation
Method
PSK PSK PSK
Transmission Using IPsec
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