1. A system, comprising: at least one processor of a first end user device, the first end user device capable of operating as an intermediate networking device, the at least one processor configured to: use an intermediate networking device forwarding agent to forward traffic between a first access network and one or more other end user devices according to a trusted intermediate networking device forwarding policy to implement an intermediate networking device forwarding service, the trusted intermediate networking device forwarding policy associated with one or more policy settings; and provide a user interface to a first end user of the first end user device, the user interface capable of receiving a modification request to modify at least one of the one or more policy settings associated with the trusted intermediate networking device forwarding policy; and memory coupled to the at least one processor and configured to provide the at least one processor with instructions.