Secure Transaction between Web seervers and Appa server

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General J2EE: Secure Transaction between Web seervers and Appa server

  1. We ahve a web server and a seperate(physically) app server.Because of security reasons we are not able to directly allow the web server to post the request to App server.So we thought of some what reverse polling where app server will poll the web server for any requests.

        Can anybody give an idea of how to go about implementing this?
  2. ...app server will poll the web server for any requests.


    Sounds like a nightmare. What are these "security reasons" you referred to?