I am stuck in a weird problem. I know of the MAC address and i want to know its IP address. I know the very common way--ping all devices in the local subnet and read the ARP cache using arp -a but this is restricted to the local subnet only. Even if I am able to ping the device outside my subnet, i cant see its entry in the ARP cache. I am looking for a solid way here. I have seen many products in the market which discover networks and can tell the IP Address of the machine connected to each port on the switch. I know the MAC address of whats connected at a specific port but dont know how to retrieve the IP address of it. using RARP is ruled out because it needs the RARP server on the network which is not present. I thought DHCP might help and tried DHCPInform but this type of packet is ignored by the DHCP server on Win NT4 because it doesnot know how to process it ( As written in microsofts documentation in MSDN). I dont know if there is some other option in DHCP which might help. I have to implement the procedure in my software, so please suggest the ways which can be automated.
Come on Experts!! Someone must be knowing the solution..on this planet atleast !!!
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![For For](/uploads/1/3/4/1/134136238/237406444.jpg)
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Come on Experts!! Someone must be knowing the solution..on this planet atleast !!!
- The MAC address is a unique address given to your network adapter or NIC. To find your MAC address, you can dig into your network adapter’s properties. But to find a remote machine’s MAC address or yours easily, we can use this simple command line application.
- In computing, a denial-of-service (DoS) or distributed denial-of-service (DDoS) attack is an attempt to make a machine or network resource unavailable to its intended users. Although the means to carry out, the motives for, and targets of a DoS attack vary, it generally consists of efforts to.
The specific command used in Unix to find a MAC address varies depending on the version of the operating system. In Linux and in some forms of Unix, the command ifconfig -a returns MAC addresses. You can also find MAC addresses in Unix and Linux in the boot message sequence. The getmac command is used to display the media access control (MAC) address of all the network controllers on a system. Goto The goto command is used in a batch or script file to direct the command process to a labeled line in the script. Resolving MAC Address from IP Address in Linux. Ask Question. If you want to sweep the entire LAN for MAC addresses you can use the command line tool fing to do so. It's typically not installed so you'll have to go download it and install it manually. But you can only use this command in LAN, if you want to find out the MAC address of. Fuzzing tool for mac os x.
Warning. Follow this at your own risk. You could brick your computer.
Read the me_cleaner Wiki pages first.
Read the me_cleaner Wiki pages first.
I'm new to all this and it took quite a while to gather all this information.
So to save anyone else the trouble here's what I learned.
So to save anyone else the trouble here's what I learned.
You'll need access to a second computer to flash the BIOS chip of your main computer.
(Or you could buy a second BIOS chip - they are cheap - flash it and then swap them.)
(Or you could buy a second BIOS chip - they are cheap - flash it and then swap them.)
Ftp Z170 Tool For Dos Mac Address Lookup
You can flash the BIOS chip from a 64 bit computer using a 32 bit computer (well it worked for the Z170 Pro Gaming anyway.)
The Asus Z170 Pro Gaming is a great motherboard for flashing the BIOS as the chip is easily removed.
It just plugs in and out of a socket. That makes flashing easier.
The location of the chip is shown on page 1-2 of the Asus User Guide. Its located below the Z170 chip.
It just plugs in and out of a socket. That makes flashing easier.
The location of the chip is shown on page 1-2 of the Asus User Guide. Its located below the Z170 chip.
Its best to flash the BIOS chip 'externally' as some regions of the chip might be locked or inaccessible if you try flashing 'internally'.
(I tried the internal method using various versions of FreeDOS and various DOS flashing tools and ALL were a waste of time.)
(I tried the internal method using various versions of FreeDOS and various DOS flashing tools and ALL were a waste of time.)
The tool to flash the chip externally (the USB 'Programmer') is very inexpensive. Mine was ~$5.
Search ebay for 'CH341A USB bios board programmer 24 25 series'
Search ebay for 'CH341A USB bios board programmer 24 25 series'
UPDATE It's probably best to get a green one like this:
The black ones have a voltage issue. I used a black one and it worked fine - but its better to be safe. See mooms06's comment below.
The black ones have a voltage issue. I used a black one and it worked fine - but its better to be safe. See mooms06's comment below.
Make note of any changes you have made to your BIOS setup as they will be lost after flashing. Paint tool sai for mac free full.
You can run a couple of commands before and after the flash that will confirm Intel ME is disabled.
Before:
Before:
They all confirm that Intel ME is on my system.
(1) Extract the BIOS .ROM from the Ausus .CAP with UEFITool
UPDATE As mooms06 points out you can avoid having to use UEFITool by using the BIOS rom you extract from the chip in step (4) below then go back to step (2) to disable Intel ME on the extracted rom.
In fact, it's a better method as it will also preserve your LAN MAC address, S/N and UUIDs. If you use a 'vanilla' Asus BIOS you'll have to use another app to restore them manually.
OR
For security/privacy you may prefer not to have any S/N or UUID on your motherboard. I only found out about this after I flashed mine and my MAC, S/N and UUID were cleared. But the system (Ubuntu 17.10) works fine without them! The system (or BIOS?) generated a generic MAC address (you should be able to change it via software in the OS anyway.)
In fact, it's a better method as it will also preserve your LAN MAC address, S/N and UUIDs. If you use a 'vanilla' Asus BIOS you'll have to use another app to restore them manually.
OR
For security/privacy you may prefer not to have any S/N or UUID on your motherboard. I only found out about this after I flashed mine and my MAC, S/N and UUID were cleared. But the system (Ubuntu 17.10) works fine without them! The system (or BIOS?) generated a generic MAC address (you should be able to change it via software in the OS anyway.)
This example explains that you need UEFITool to extract the BIOS rom from the .CAP file that Asus uses. me-cleaner can't work with .CAP files. There are Windows and OS X apps ready to use but on Linux you have to compile your own version. I don't know how to do that but I had access to a mac so I used the OS X version. I used ver 0.21.5 as in the example.
And I used it on Asus' current BIOS ver 3501.
Open the Asus .CAP file with UEFITool and highlight the top line 'AMI Aptio Capsule'. Right click on it and select 'Extract body'. Save it with .rom extension.
(2) Disable Intel ME
This may be obvious to some but it took me a while to find it.
There is a built in help in the me_cleaner script:
There is a built in help in the me_cleaner script:
$ python me_cleaner.py --help
User mooms06 says the -S option (--soft-disable) is best for the Pro Gaming as it prevents a 15 sec delay on startup that -s (--soft-disable-only) causes.
To disabled Intel ME I used:
To disabled Intel ME I used:
$ python me_cleaner.py -O modified.rom -S Z170-PRO-GAMING-ASUS-3501.rom
Best snipping tool for mac.(3) Remove the BIOS chip
Power off your system fully and unplug it from the mains.
Its a good precaution to discharge and staic from your body by touching something metal.
Locate the BIOS chip and remove it.
Take note of the direction the indent on the chip's top is facing, thats important.
Be VERY CAREFUL removing it. I jerked removing mine and bent the pins!
Its a good precaution to discharge and staic from your body by touching something metal.
Locate the BIOS chip and remove it.
Take note of the direction the indent on the chip's top is facing, thats important.
Be VERY CAREFUL removing it. I jerked removing mine and bent the pins!
Thankfully none were broken and I was able to straighten them.
I have a sore arm so it was more difficult for me.
With a bit of care it shouldn't be an issue.
I have a sore arm so it was more difficult for me.
With a bit of care it shouldn't be an issue.
Plug the chip into the USB programmer tool.
Again, take note to the chip orientation.
It should be like this (note the notch on the chip top):
Again, take note to the chip orientation.
It should be like this (note the notch on the chip top):
(4) Check the USB programmer is working
![For For](/uploads/1/3/4/1/134136238/232709857.jpg)
Fpt Z170 Tool For Dos
On the second computer install flashrom if its not already installed.
Plug in the USB programmer tool.
Plug in the USB programmer tool.
I loosely followed this guide's flashrom process.
First I read (extracted) the chip's existing BIOS.
That took 3 mins 20sec.
Ftp Z170 Tool For Dos Mac Address
Read a second copy of the current BIOS
Now compare the two extracted BIOSes with 'diff'
$ diff extracted1.rom extracted2.rom
There should be no result if both are the same.
If there is a difference stop and read this and follow his recommendations.
If there is a difference stop and read this and follow his recommendations.
I don't have 'ifdtool' tool to confirm the extracted .roms are BIOSes (and not just junk data). Instead I took a look at extracted1.rom in UEFITool and I could see it seemed ok.
That confirms the UBS Programmer and BIOS chip setup is working.
That confirms the UBS Programmer and BIOS chip setup is working.
(5) Flash the BIOS
Here we go:
That took about 7mins.
(UPDATE: It takes about 13mins using a green USB programmer.)
(UPDATE: It takes about 13mins using a green USB programmer.)
Unplug the USB programmer, remove the BIOS chip and return it carefully to your motherboard.
(6) Reboot your system
The moment of truth.
Start up your PC and go into the BIOS setup by pressing DEL at boot.
Start up your PC and go into the BIOS setup by pressing DEL at boot.
![For For](/uploads/1/3/4/1/134136238/237406444.jpg)
You can confirm Intel ME is gone by going into 'Advanced Mode' and under the 'Main' tab the 'ME Firmware Version' should read 0.0.0.0.
Before it would have read something like 11.6.11.1092
https://cleversplash159.weebly.com/blog/best-ocr-tool-for-mac.
Before it would have read something like 11.6.11.1092
https://cleversplash159.weebly.com/blog/best-ocr-tool-for-mac.
Don't forget to re-apply any modifications you had previously made to your BIOS.
Exit the BIOS and continue into Ubuntu.
You can run the same commands you ran before the flash for comparison:
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$ ls /dev | grep mei
[nothing]
$ lspci | grep -i communi
[nothing]
$ cat /proc/bus/pci/devices | grep a13a
[nothing]
The fact they returned nothing shows Intel ME has been disabled.
I'd run 'intelmetool' but you need to compile it yourself and I'm not able to do that.
But the checks we've run are pretty clear that Intel ME is gone.
I'd run 'intelmetool' but you need to compile it yourself and I'm not able to do that.
But the checks we've run are pretty clear that Intel ME is gone.
Finally confirm the computer stays on for more than 30 mins and your are done.
Your computer is Intel ME free.
Your computer is Intel ME free.
Thanks to corna and contributors for me_cleaner and thanks to mooms06 for his help. His answers might help you further.
And don't forget to donate to corna if you can.