1. A method of sending a request, comprising: receiving via an external network an external request sent using a first security procedure, wherein the external request comprises a request from a requesting party for response data associated with an internal computer system associated with an internal network; normalizing at least a portion of the external request into a common format; applying a decision tree to the normalized external request to determine an action to take in response to the external request; and sending to the internal computer system, after applying the decision tree to the normalized external request and using a second security procedure based at least in part on the results of the application of the decision tree, an internal request for said response data.