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This paper describes some of the preliminary work performed on a resource access control module for an instrumentation gateway. The access control module employs a variation of the popular role-based access control (RBAC) scheme described by various authors. The gateway has very little security; hence, any user able to log onto the system is able to control any resource. This module aims to implement a pluggable module whereby users are granted access to various parts of the system depending on their user rights, while giving the administrator a very powerful method of restricting access without sacrificing ease of administration.