úÎ vßNoneHost/,port combination to which we want to proxy. CSet up a reverse proxy server, which will have a minimal overhead. DThis function uses raw sockets, parsing as little of the request as  possible. The workflow is:  " Parse the first request headers. < Ask the supplied function to specify how to reverse proxy. ' Open up a connection to the given host/port. + Pass all bytes across the wire unchanged. IIf you need more control, such as modifying the request or response, use . FSends a simple 502 bad gateway error message with the contents of the  exception. Creates a WAI $ which will handle reverse proxies. HConnections to the proxied server will be provided via http-conduit. As J such, all requests and responses will be fully processed in your reverse L proxy. This allows you much more control over the data sent over the wire, C but also incurs overhead. For a lower-overhead approach, consider  . MMost likely, the given application should be run with Warp, though in theory ' other WAI handlers will work as well. KNote: This function will use chunked request bodies for communicating with I the proxied server. Not all servers necessarily support chunked request Y bodies, so please confirm that yours does (Warp, Snap, and Happstack, for example, do). GGet the HTTP headers for the first request on the stream, returning on L consumed bytes as leftovers. Has built-in limits on how many bytes it will K consume (specifically, will not ask for another chunked after it receives  1000 bytes). >Convert a WAI application into a raw application, using Warp. How to reverse proxy. A Left result will run the given    , whereas a Right will reverse proxy to the  given host/port. How to reverse proxy. A Left! result will be sent verbatim as  the response, whereas Right will cause a reverse proxy. ;How to handle exceptions when calling remote server. For a  simple 502 error page, use . connection manager to utilize       http-reverse-proxy-0.1.0.0Network.HTTP.ReverseProxy ProxyDestpdHostpdPort rawProxyTo defaultOnExc waiProxyTowaiToRaw wai-1.3.0.1 Network.Wai Application getHeadersnetwork-conduit-0.6.0Data.Conduit.Network