C # get IP address

1, get the client IP

<summary>
///Get client IP
///</summary>
///<returns></returns>
Public String Getclientip ()
{
    string clientip = "";
    if (System.Web.HttpContext.Current!= null)
    {
        ClientIP = system.web.httpcontext.current.request.servervariables["Http_x_forwarded_for"];
        if (string. IsNullOrEmpty (clientip) | | (Clientip.tolower () = = "Unknown"))
        {
            ClientIP = system.web.httpcontext.current.request.servervariables["Http_x_real_ip"];
            if (string. IsNullOrEmpty (ClientIP))
            {
                ClientIP = system.web.httpcontext.current.request.servervariables["REMOTE_ ADDR "];
            }
        }
        else
        {
            ClientIP = clientip.split (', ') [0];
        }
    }
    return clientip;
}

2, server-side Get client request IP and client machine name

<summary>
///Server-side Get client request IP and client machine name
///</summary> public
static void Getclientinfo ()
{
    OperationContext context = operationcontext.current;
    Messageproperties messageproperties = context. incomingmessageproperties;
    Remoteendpointmessageproperty Endpointproperty = Messageproperties[remoteendpointmessageproperty.name] As Remoteendpointmessageproperty;
    HttpRequestMessageProperty Requestproperty = Messageproperties[httprequestmessageproperty.name] As HttpRequestMessageProperty;
    String clientip =!string. IsNullOrEmpty (requestproperty.headers["X-real-ip"])? requestproperty.headers["X-real-ip"]: endpointproperty.address;
    string clientname = Environment.MachineName;
    Console.WriteLine ("ClientIP:" + ClientIP + "ClientName:" + clientname);
}