Connection Tools and Access Modes Users connect to InterSystems IRIS and authenticate using Connection Tools. Examples of connection tools include: The Terminal. A separate application, for example, a Java or .NET application. A web application. There are three categories of connection tools. These categories are known as access modes.The following table describes each access mode and its associated connection tools. Access Modes and Connection Tools Access Mode Description Connection Tools Local Also known as in-process authentication. InterSystems IRIS and the user share a process. Terminal, Callin Client/Server User connects to InterSystems IRIS from a separate executable. C++, CacheDirect, ComPort, Java, JDBC, LAT, ODBC, Telnet Web User connects to InterSystems IRIS through a Web application. Web application