MindscapeHQ/raygun4net — pull request #154 by jamiepenney (2014-07-08 01:10:54+00:00)
Title: Grabs the ClientIp from X-Forwarded-For or REMOTE_ADDR

before falling back to UserHostAddress.

Adapted from @nicholashead's PR here:
https://github.com/MindscapeHQ/raygun4net/pull/149