Obtain the NIC or IP address

Client ip:
Request. ServerVariables. Get ("Remote_Addr"). ToString ();
Client Host Name:
Request. ServerVariables. Get ("Remote_Host"). ToString ();
Client Browser IE:
Request. Browser. Browser;
Client browser version:
Request. Browser. MajorVersion;
Client operating system:
Request. Browser. Platform;
Server ip Address:
Request. ServerVariables. Get ("Local_Addr"). ToString ();
Server Name:
Request. ServerVariables. Get ("Server_Name"). ToString ();
If you want to learn more about ServerVariables, you can use
Foreach (String o in Request. ServerVariables ){
Response. Write (o + "=" + Request. ServerVariables [o] + "<br> ");
}
String stringMAC = "";
String stringIP = "";
ManagementClass MC = new ManagementClass ("Win32_NetworkAdapterConfiguration ");
ManagementObjectCollection MOC = MC. GetInstances ();
Foreach (ManagementObject MO in MOC)
{
If (bool) MO ["IPEnabled"] = true)
{
StringMAC + = MO ["MACAddress"]. ToString (); // obtain the NIC address
String [] IPAddresses = (string []) MO ["IPAddress"]; // obtain the local IP Address
If (IPAddresses. Length> 0)
StringIP = IPAddresses [0];
Response. Write (stringMAC + "/" + stringIP );
}
}
Asp.net + c # How do I obtain the MAC address of the client Nic?
// Reference to the following two namespaces
Using System. Diagnostics;
Using System. Text. RegularExpressions;
// Obtain the NIC physical address (MAC) of the remote client)
Public string GetMac (string IP) // para IP is the client's IP
{
String dirResults = "";
ProcessStartInfo psi = new ProcessStartInfo ();
Process proc = new Process ();
Psi. FileName = "nbtstat ";
Psi. RedirectStandardInput = false;
Psi. RedirectStandardOutput = true;
Psi. Arguments = "-A" + IP;
Psi. UseShellExecute = false;
Proc = Process. Start (psi );
DirResults = proc. StandardOutput. ReadToEnd ();
Proc. WaitForExit ();
DirResults = dirResults. Replace ("\ r", ""). Replace ("\ n", ""). Replace ("\ t ","");
Regex reg = new Regex ("Mac [] {0,} Address [] {0,} = [] {0 ,}(? <Key> ((.)*?)) _ MAC ", RegexOptions. IgnoreCase | RegexOptions. Compiled );
Match mc = reg. Match (dirResults + "_ MAC ");
If (mc. Success)
{
Return mc. Groups ["key"]. Value;
}
Else
{
Reg = new Regex ("Host not found", RegexOptions. IgnoreCase | RegexOptions. Compiled );
Mc = reg. Match (dirResults );
If (mc. Success)
{
Return "Host not found! ";
}
Else
{
Return "";
}
}
}
// Print the client's Nic physical address (MAC) on the page)
Response. Write (this. GetMac (Request. UserHostAddress. ToString ()));
Obtain the cpu serial number, hard disk ID, and nic MAC address.
Private void GetInfo ()
{
String cpuInfo = ""; // cpu serial number
ManagementClass cimobject = new ManagementClass ("Win32_Processor ");
ManagementObjectCollection moc = cimobject. GetInstances ();
Foreach (ManagementObject mo in moc)
{
CpuInfo = mo. Properties ["ProcessorId"]. Value. ToString ();
Response. Write ("cpu serial number:" + cpuInfo. ToString ());
}
// Obtain the hard disk ID
String HDid;
ManagementClass cimobject1 = new ManagementClass ("Win32_DiskDrive ");
ManagementObjectCollection moc1 = cimobject1.GetInstances ();
Foreach (ManagementObject mo in moc1)
{
HDid = (string) mo. Properties ["Model"]. Value;
Response. Write ("hard disk serial number:" + HDid. ToString ());
}

// Obtain the hardware address of the NIC
ManagementClass mc = new ManagementClass ("Win32_NetworkAdapterConfiguration ");
ManagementObjectCollection moc2 = mc. GetInstances ();
Foreach (ManagementObject mo in moc2)
{
If (bool) mo ["IPEnabled"] = true)
Response. Write ("MAC address \ t {0}" + mo ["MacAddress"]. ToString ());
Mo. Dispose ();
}
}