Mutual Authenticator SSL authentication :- 1 way SSL authentication Mutual SSL authenticaion :- 2 way SSL authentication Mutual SSL authentication refers two parties authentication each other.This is the certificate based authentication process and each party should provide their digital certificate for authentication. Steps in mutual authentication A client requests access to a protected resource. The server presents its certificate to the client. The client verifies the server’s certificate. If successful, the client sends its certificate to the server. The server verifies the client’s credentials. If successful, the server grants access to the protected resource requested by the client. I'm giving you the steps to test mutual ssl authentication with wso2 IS and soapui Step 1 :- You have to download wso2 identity Server 5.0 from here and apply service pack as instructions given in readme file in service pack. Step 2 :- You have to uncomment be...