如何获取客户端的IP与MAC地址
2014-07-21 15:45
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[DllImport("Iphlpapi.dll")] private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length); [DllImport("Ws2_32.dll")] private static extern Int32 inet_addr(string ip); private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面 try { string userip = Request.UserHostAddress; string strClientIP = Request.UserHostAddress.ToString().Trim(); Int32 ldest = inet_addr(strClientIP); //目的地的ip Int32 lhost = inet_addr(""); //本地服务器的ip Int64 macinfo = new Int64(); Int32 len = 6; int res = SendARP(ldest, 0, ref macinfo, ref len); string mac_src = macinfo.ToString("X"); if (mac_src == "0") { if (userip == "127.0.0.1") Response.Write("正在访问Localhost!"); else Response.Write("欢迎来自IP为" + userip + "的朋友!" + "<br>"); return; } while (mac_src.Length < 12) { mac_src = mac_src.Insert(0, "0"); } string mac_dest = ""; for (int i = 0; i < 11; i++) { if (0 == (i % 2)) { if (i == 10) { mac_dest = mac_dest.Insert(0, mac_src.Substring(i, 2)); } else { mac_dest = "-" + mac_dest.Insert(0, mac_src.Substring(i, 2)); } } } Response.Write("欢迎来自IP为" + userip + "<br>" + ",MAC地址为" + mac_dest + "的朋友!" + "<br>"); } catch (Exception err) { Response.Write(err.Message); } }
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