public static string GetUserIp()
{
string ip;
string[] temp;
bool isErr = false;
if (System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_ForWARDED_For"] == null)
{
ip = System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString()
}
else
{
ip = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_ForWARDED_For"].ToString();
}
if (ip.Length > 15)
{
isErr = true;
}
else
{
temp = ip.Split('.');
if (temp.Length == 4)
{
for (int i = 0; i < temp.Length; i++)
{
if (temp[i].Length > 3) isErr = true;
}
}
else
isErr = true;
}
if (isErr)
{
return "1.1.1.1";
}
else
{
return ip;
}
}