Getting the MAC address of local computer

Hello developers! Can you to tell me how I can to get a MAC address of local computer in Java, JDK 1.4.0????
Thank you!

Hi,
There isn't a particular method you can call. However check out this thread.
http://forum.java.sun.com/thread.jsp?forum=4&thread=239391
This has sample code to get the MAC address on Windows.
Regards,
Roopasri Vittal
Developer Technical Support
Sun Microsystems
http://sun.com/developers/support

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How to get the MAC address of other hosts in local net

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ChristianEC wrote:
Hi,
I am looking for a way to get the MAC address of a PXI RT controller. I know that there is a VI to do this, but I am looking for a solution for a dll (C-Code).
I use the "Call library node" to call this dll and want to make sure that it is only used on a specific PXI.
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As long as I know java doesn't have support to work on link-layer, only internet and transport layers. You may write simple native code. On windows, IP Helper functions, like SendARP allow you to pass an IP address and get the hardware address. You store the hardware address on your database/file and later, when that machine is off, you send a frame to the address you stored previous.
[http://msdn.microsoft.com/en-us/library/aa366071(VS.85).aspx]
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Hi Bruce,
Out from what I can find on this network card is it not possible to get the mac address without a OS. I would recommend you to get/burn a Linux/Ubuntu live CD/DVD and run a Ifconfig in there.
Hope it helps you.
Best regards
Zincas
I work on behalf of HP

Can I get the Mac address in Audit logs of Active directory server for the user's machine which connect to the network/Domain

Hello All,
I am trying to get the information of all the user's who connect to our Domain network by signing in using the domain account. For this I am using the Windows audit group policies ( I am not sure of there is any other way). I can see when the user tries
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However the info which is being populated in these events include :- Hostname, IP address, Username and so on... But I can't see the MAC address of the user machine/system. Is there any way I can
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> include :- Hostname, IP address, Username and so on... But I can't see
> the MAC address of the user machine/system. Is there any way I can get
> the Mac address of the endpoint system as its one of the important
> criteria for our project.
If you use DHCP, you can query the DHCP server. There's no builtin
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Martin
Mal ein
GUTES Buch über GPOs lesen?
NO THEY ARE NOT EVIL, if you know what you are doing:
Good or bad GPOs?
And if IT bothers me - coke bottle design refreshment :))

How to get the MAC address of a PXI in a dll

Hi,
I am looking for a way to get the MAC address of a PXI RT controller. I know that there is a VI to do this, but I am looking for a solution for a dll (C-Code).
I use the "Call library node" to call this dll and want to make sure that it is only used on a specific PXI.
Since the VI provides the functionality, I am wondering if it is also available to be called from C-Code?
Thank you,
Christian
Solved!
Go to Solution.

ChristianEC wrote:
Hi,
I am looking for a way to get the MAC address of a PXI RT controller. I know that there is a VI to do this, but I am looking for a solution for a dll (C-Code).
I use the "Call library node" to call this dll and want to make sure that it is only used on a specific PXI.
Since the VI provides the functionality, I am wondering if it is also available to be called from C-Code?
Thank you,
Christian
If it is available in LabVIEW it is probably available in CVI, which you could then build into a DLL (if there isn't one available already).
CLA, LabVIEW Versions 2010-2013

Is there any possible ways to get the MAC address?

Hi guys:
I am writing servlets on the server side. Is there any possible ways to get the MAC address when a HTTP request come in? Thank you very much for any helps.
all the best!

It is usually impossible to get the MAC address of the maker of a HTTP request in any programming language or system.
At best, you can get the MAC of the closest intervening router, firewall, whatever.
Are you sure you mean the MAC address? MAC looks like this: 8:ab:f0:0:71:bb:90 (Ethernet), or 01-23-45-67-89-ab (Token Ring), etc, depending on your network type.
In contrast, an IP address looks like this: 209.249.116.195. If you want the IP address, check out the javadoc for HttpServletRequest and ServletRequest. Caveat: load balancers, web caches, proxy servers, etc will mask the "true" peer's address. Don't do anything silly like try to use the IP address for security or authentication.

How do I get the MAC address from my iPad?Thanksss.

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Settings -> General -> About -> Wi-Fi Address
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You can get the MAC address for your iPhone at Settings > General > About > Wi-Fi address.
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Getting the MAC address of the machine

Is there any method to get the MAC address of machine in java.?????????????
In our proxy server application we get the IP address of each client connected our proxy server.
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Thanks It works .
The code is as follows .
It works when the machine is connected to internet while throws a null pointer exception when not connected .
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
public class MacAddress {
public static void main(String[] args) throws SocketException, UnknownHostException {
try {
InetAddress address = InetAddress.getLocalHost();
* Get NetworkInterface for the current host and then read the
* hardware address.
NetworkInterface ni = NetworkInterface.getByInetAddress(address);
byte[] mac = ni.getHardwareAddress();
* Extract each array of mac address and convert it to hexa with the
* following format 08-00-27-DC-4A-9E.
for (int i = 0; i < mac.length; i++) {
System.out.format("%02X%s", mac, (i < mac.length - 1) ? "-" : "");
// System.out.print(mac);
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (SocketException e) {
e.printStackTrace();

How can I get the MAC address

My machine has two NIC's. I need to add another network interface, however when I do so it gets assigned to the same MAC address as the interface in use. Why is that and how can I determine the MAC address of the other card to be able to assign it to the new interface?
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If necessary, change the value of local-mac-address? as follows:
eeprom local-mac-address?=true
When you reboot the system, the interfaces with factory-installed MAC addresses now use these factory settings, rather than the system-wide MAC address. Interfaces without factory-set MAC addresses continue to use the system-wide MAC address.
[http://docs.sun.com/app/docs/doc/816-4554/eyprp?a=view]

How to get Mac Address of Remote Computer

Hi All,
I tried to find out a solution for finding Mac Address of a remote system, then first i tried with finding it with local address using the following code it works fine for me.
public class MacAddressFinder {
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                    System.out.print("Current MAC address : ");
                    StringBuilder sb = new StringBuilder();
                    for (int i = 0; i < hwAddr.length; i++)
                         sb.append(String.format("%02X%s", hwAddr, (i < hwAddr.length - 1) ? "-" : ""));
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                    e.printStackTrace();
          catch (UnknownHostException e) {
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But when i tried this piece of code in jsp with the following code i am getting NeworkInterface object value as null and there by i am unable to get the Mac Address of a remote computer.
InetAddress ipAddr = InetAddress.getByName(request.getRemoteAddr());
NetworkInterface nwIntf = NetworkInterface.getByInetAddress(ipAddr);Can you please suggest me how to find out the Mac address of remote system?
Thanks,
Uday

first of all, NetworkInterface only exposes the NetworkInterfaces of the local computer. secondly, you cannot find the mac address of an arbitrary remote computer. that information is not available outside of the local subnet. and java doesn't expose a way to discover it even for computers on the local subnet.

Getting the IP address of the local machine.

Hello All,
We are deploying an application using 10g AS(LINUX).We have to capture the IP address of the
user machine, in which the browser is running.(10g forms,9i db)
WEB_UTIL is not configured and we are using java importer for the purpose.
I am a 'very' newbie in java.I searched a lot in the net and got some solutions but all providing the Ip address of the AS machine.
Can anyone give a java program to get the IP address of the local machine?Or a link...
Thanks in advance
Jeneesh

Give a glance to these documents. may be coukd help you
http://forum.java.sun.com/thread.jspa?threadID=245711
Java 6.0 includes an API to get the MAC address of any attached network interface:
http://java.sun.com/javase/6/docs/api/java/net/NetworkInterface.html#getHardwareAddress
(idea for IP user: you can shell out, and use the 'who -m'?)
Regards Jeneesh

How to get a mac address in any OS

Hi all
is there a way in java to get the mac address of machines on a local network (similar to the way arp -a on windows returns ip's but also their physical mac address) but working on any os so the java ap can run on windows, linux, osx for example.
basically i want to be able to enter an ip range and have a method return each mac address for each ip address in the range (for ip addresses that exist)

thanks for the link
is this basically the only way to do this then? by querying local system methods of getting mac address info?
there is no built in java way of doing it?
still very useful link :)

Getting the MAC address of local computer

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