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How to Configure iSCSI CHAP secrets with E-Series on a Linux Host

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Applies to

  • Netapp E-Series
  • Linux

Description

  • CHAP, Challenge Handshake Authentication Protocol, is a 3-way handshake between two devices in a network to ensure security. 
    • Used with Ethernet-based authentication. 
    • CHAP can be either a One-way Authentication CHAP or a bidirectional CHAP. 
  • One-way (Target) Authentication CHAP
    • The initiator device validates the target. 
    • Initiator and target save a local secret. 
    • These secrets produce a one-way hash. 
  • Two-way (Mutual) Authentication CHAP
    • Same as One-way Authentication but will then have the target validate the initiator. 
    • Can only be configured after One-way Authentication CHAP has been configured.
    • Similar secret configuration to One-way Authentication CHAP
    • Adds an additional secret that must be different than the One-way Authentication secret. 

 

 

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