TBuf8<20> aProxy8(_L8("10.0.0.172:80"));
RStringF iPrxAddr = iSession.StringPool().OpenFStringL(aProxy8);
CleanupClosePushL(iPrxAddr);
THTTPHdrVal iPrxUsage(iSession.StringPool().StringF(HTTP::EUseProxy,RHTTPSession::GetTable()));
iSession.ConnectionInfo().SetPropertyL(iSession.StringPool().StringF(HTTP::EProxyUsage,RHTTPSession::GetTable()), iPrxUsage);
iSession.ConnectionInfo().SetPropertyL(iSession.StringPool().StringF(HTTP::EProxyAddress,RHTTPSession::GetTable()), iPrxAddr);
CleanupStack::PopAndDestroy();