The XML tab in the Inspector is empty for the following request. POST http://vodafone.station/data_model.cgi HTTP/1.1 Host: vodafone.station User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:48.0) Gecko/20100101 Firefox/48.0 Accept: application/xml, text/xml, */*; q=0.01 Accept-Language: it-IT,it;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Content-Type: text/xml; charset="utf-8" Method: POST SOAPServer: SOAPAction: cwmp:SetParameterValues X-Requested-With: XMLHttpRequest Referer: http://vodafone.station/main.cgi?page=wifi_adv.html Content-Length: 579 Cookie: wbm_cookie_session_id=0BEA95D47976B447 DNT: 1 Connection: keep-alive <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Header><DMCookie>993650944</DMCookie></soapenv:Header><soapenv:Body><cwmp:SetParameterValues xmlns=""><ParameterList><ParameterValueStruct><Name>InternetGatewayDevice.LANDevice.5.WLANConfiguration.9.X_JUNGO_COM_Standard</Name><Value>g</Value></ParameterValueStruct><ParameterValueStruct><Name>InternetGatewayDevice.LANDevice.5.WLANConfiguration.9.X_JUNGO_COM_LowerSideBand</Name><Value>0</Value></ParameterValueStruct></ParameterList></cwmp:SetParameterValues></soapenv:Body></soapenv:Envelope>