In distributed computing, SSLIOP is an Internet Inter-ORB Protocol (IIOP) over Secure Sockets Layer (SSL), providing confidentiality and authentication. In distributed computing, SSLIOP is an Internet Inter-ORB Protocol (IIOP) over Secure Sockets Layer (SSL), providing confidentiality and authentication. As of January 2007, SSLIOP is implemented by (at least) TAO, JacORB, OpenORB , and MICO .