1. A method for providing access to a resource requested through a proxy server by a virtualized computing environment, wherein the resource is external to a virtualized computing environment's server, said method comprising: (a) receiving, by a proxy service configured on an intermediary device, a request from a client identifying a document of an application on a server; (b) transmitting, by the proxy service, a first request for information corresponding to said server; (c) receiving, by the proxy service from said server, a first response to said first request, said first response comprising state information; (d) identifying, by the proxy service, a type of the document based on the first response; (e) transmitting, by the proxy service, to the client a file comprising a uniform resource locator (URL), said URL identifying the intermediary device and said server, the file comprises an HTTP context ticket corresponding to HTTP authentication state and cookie state for accessing the document; (f) receiving, by the proxy service, from a virtualized computing environment executing on the client, a request for said URL, the virtualized computing environment activated based on the type of the document; (g) transmitting, by the proxy service, a second request for said server, said second request comprising said state information from said first response; (h) receiving, by the proxy service, a second response to said second request; and (i) transmitting, by the proxy service, information corresponding to said second response to said virtualized computing environment.