Connector for fluidly sealing an aperture of a protective case

A protective case for a portable electronic device is provided. The portable electronic device has a device connector for transmission of data and/or power between the device connector and a data and/or power source via a reciprocal connector assembly. The case includes an aperture disposed proximate the device connector of the installed portable electronic device, the aperture passing between an outer surface and an inner surface of the case and defined by a surface between the outer and inner surfaces, the aperture having a circumference; and a compliant seal surrounding the circumference of the aperture, the compliant seal to interface with at least a portion of the backshell portion of the reciprocal connector assembly to seal the aperture when the reciprocal connector assembly is inserted through the aperture to interface with the device connector of the installed portable electronic device.