Abap web dynpro proxy error

hi all...
i m getting error while testing my abap application.. can anyone pls suggest me, where should i set the proxy settings for that?
error is like this:
Proxy Encountered Error
Host Address Not Found: The proxy could not find an IP address for the host in your request. Possible causes include mistyped URL, misconfigured DNS and transient network problems.
thanks...

1.      Choose Web Services Container -> Runtime -> Settings.
       2.      Enter the required data.
¡        Proxy Host – the host of the HTTP server.
¡        Proxy Port – the port of the server.
¡        Exclude List – contains addresses or parts of addresses, which are ignored by the proxy server. Use semicolons ( to separate entries. You have to add the local IP addresses and domains, which do not use the proxy server. For example, .sap.corp and 10.
¡        Proxy User Name – a user name for authenticating before the HTTP proxy server, if required.
¡        Proxy Password – a user password for authenticating before the HTTP proxy server, if required.
¡        WS Clients Socket Timeout – a socket timeout (in seconds) for the Web service clients’ requests. By default, it is 60 seconds.
       3.      Choose Save.
Message was edited by:
        Muthurajan Ramkumar

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