Dell PowerVault NX1950 - Manual (Page 54)

54 Secured iSCSI Using Challenge-Handshake Authentication Protocol
Target Settings
Configure the Target settings of CHAP as described in "iSCSI Target settings"
on page 52 and perform the following steps:
1 In the <Target Name> Properties window, select the Authentication tab.
2 Select the check box for Enable reverse CHAP authentication. In the
User name field, enter the IQN of the Initiator.
3 In the Reverse secret field enter the Secret value that you set in the
Initiator.
NOTE: Ensure that the Reverse secret is not the same as the CHAP secret.
The Reverse secret must contain 12 to 16 characters.
Initiator Settings Continued
1 Configure the Initiator settings for CHAP as described in "iSCSI Initiator
Settings" on page 53.
2 In the Advanced Settings window→ select CHAP logon information→
enter the User name and Target secret. Select the check box for Perform
mutual authentication and click OK.
You can log in only if you have credentials that you entered for the Target
and Initiator.