any one able to help Linux with pam informix

my req is Local users of linux to use informix under pam OS SUSE 10 kernal ver is x86_64 2.6.16.60-0.21 Informix 11.10 working settings sqlhosts ofa_eadmin onsoctcp 172.51.100.12 4903 ofa_eadmin onsoctcp 172.51.100.12 4904 onconfig DBSERVERNAME ofa_eadmin # Name of default database server DBSERVERALIASES ofa_eadmin1 # List of alternate dbservernames Informix new setting i have tried as under new sqlhosts ofa_eadmin onsoctcp 172.51.100.12 4903 s=4,pam_serv=(odb_pam_services),pamauth=(challenge) ofa_eadmin1 onsoctcp 172.51.100.12 4904 s=4,pam_serv=(odb_pam_service),pamauth=(challenge) both password and challenge is not working odb_pam_services and odb_pam_service file contents auth required pam_listfile.so onerr=fail item=group sense=allow file=/etc/login.group.allowed #inst by paresM-1.0 #auth sufficient pam_rootok.so auth include common-auth account include common-account password include common-password session include common-session session optional pam_xauth.so login.group.allowed now this file is having all groups but my informix unable to under stand this files eigher sqlhost or odb_pam_service after this changes only root and informix are able to connect to database other users on isql get error 1812 internal error please help me by giving more details both password and challenge is not working ofa_eadmin onsoctcp 172.51.100.12 4903 s=4,pam_serv=(odb_pam_services),pamauth=(password) ofa_eadmin1 onsoctcp 172.51.100.12 4904 s=4,pam_serv=(odb_pam_service),pamauth=(password) --047d7bf162e4a11b4404c75c5a2d