Can't connect to the server in CentOS(BadSecurityPolicyReje)

[Alan.Z]

Hello,every one!
I have got the c++ SDK in CentOs,make the examples by GCC and Cmake, It seems that all goes well;
But When I try to connect the OPC UA server examples, problems arise. Each test to connect to the server end in the same problem(Error: UaSession::connect failed [ret=BadSecurityPolicyRejected).
I try to test in UaExpert or the clientCpp that sdk offer, but failed in the same way. I just get the error BadSecurityPolicyRejected,Even I did not use any security policy. Could anyone know how to handle with the problem?
Thanks!