Release 6.0 343User Guide Appendix C How to Set/Check Application Server (Windows) (iSCSI)Figure C-26: Advanced Setting (General Tab) Screen The CHAP Secret can be specified as any string of 12 to 16alphanumeric characters as well as !#$%&’*+~/=?{|}_-. Letters arecase-sensitive. For security, password text strings are indicated as dotsor other symbols. Mutual CHAP authentication is also described in NEC Storage ManagerCommand Reference as Bidirectional CHAP authentication.For description of CHAP authentication, refer to Appendix N: "Retrieve InitiatorInformation on Application Servers Registered with iSNS Server".The Target Secret that is set here is a password that a target uses toauthenticate an Initiator. This password is also required for settings on thedisk array side (see Section: 15.3.21 iSMcfg setldsetchap in the NECStorage Manager Command Reference), so be sure to write it down so itis not forgotten.