NetApp
Configuration > Protocols > iSCSI : Understanding iSCSI : Initiator security
Initiator security
You can select from the following authentication methods:
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none
There is no authentication for the initiator.
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deny
The initiator is denied access when it attempts to authenticate to the storage system.
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CHAP
The initiator logs in using a Challenge Handshake Authentication Protocol (CHAP) user name and password. You can specify a CHAP password or generate a random password.
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default
The initiator uses the default security settings. The initial setting for default initiator security is none.
In CHAP authentication, the storage system sends the initiator a challenge value. The initiator responds with a value calculated using a one-way hash function. The storage system then checks the response against its own version of the value calculated using the same one-way hash function. If the values match, the authentication is successful.