Le portail francophone de la géomatique

 .proxy host
OpenLayers.ProxyHost = "/cgi-bin/proxy.cgi?url=";
...

    var wwfs = new OpenLayers.Layer.Vector("Editable Features", {
        strategies: [new OpenLayers.Strategy.Fixed()],
        projection: new OpenLayers.Projection("EPSG:4326"),
        protocol: new OpenLayers.Protocol.WFS({
            version: "1.1.0",
            srsName: "EPSG:4326",
            url: "http://localhost:8080/geoserver/wfs",
            featureNS :  "http://www.openplans.org/topp",
            featureType: "topp:tasmania_roads",
        schema: "http://localhost:8080/geoserver/wfs/DescribeFeatureType?version=1.1.0&;typename=topp:tasmania_roads"
            })
  });

   map.addLayers([wwfs]);