You probably want to use netsh.exe (found in c:\Windows\System32) to allow a specified non-admin user to listen for http requests on port 1111.
The syntax for the command is as follows:
netsh http add urlacl url=http://*:1111/ user=DOMAIN\user
http://msdn.microsoft.com/en-us/library/windows/desktop/cc307223(v=vs.85).aspx