A MAC address is a unique identifier for network adapters or network interface cards.

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Why does internet get disconnected after I change mac in Kali Linux?

I have written this script to change my mac in Kali Linux: ifconfig eth0|grep HWaddr ifconfig eth0 down&&macchanger -r eth0&&ifconfig eth0 up ifconfig eth0|grep HWaddr The problem ...
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49 views

Windows 10 under VMWare 11 caches MAC address

I have VMWare Workstation 11 and network for VMs configured as NAT. DHCP configured manually so every VM has fixed hostname and IP address. I've installed Windows 10 TP to one of the VMs. Then I ...
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27 views

NIC MAC address is different than it should be

I have cheap Tenda W150M router that is working as a WLAN card in Client+AP mode. The router MAC Address and WLAN BSSID are xx:xx:xx:xx:xx:68(those are listed in the router admin page). Now on my main ...
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120 views

Can I restrict access to the tplink wifi network to anyone except specified set of Mac addresses?

I have the router TP-Link N750 (TL-WDR4300). I'm familiar with the Mac addresses filtering but I need to restrict all user from joining the network not from Internet after joining the network, so ...
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144 views

How to change the mac address (permanently ) or identify a 3G USB dongle?

I've bought two 3G usb dongles and they both have the same mac address. After some research I've found this is a common issue so buying new ones may not fix the issue. I need to identity a specific ...
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36 views

Vendor or service of this particular MAC Address

I found weird activity reported by my software that suggested multiple login attempts. The software is installed on that person's computer. Don't worry the I am allowed to post the details up here ...
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29 views

Spoofing MAC Address - No Connectivity [closed]

I have a Windows Server VM, running on RHEL, whose MAC I have spoofed through Device Manager. The spoofed MAC address appears to have been set properly and is shown when I run 'getmac'. The VM ...
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108 views

nginx auth_basic for mac address verification

nginx auth_basic for mac address verification Is it done? Do you have examples? thnx location = / { satisfy any; deny all; auth_basic "Restricted"; ...
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277 views

What does “Decloak: (Mac Address)” mean in Airodump-ng

I have Reaver 1.4 on Ubuntu 14.10 and a Realtek RTL8187SE B/G adapter, and I got a message saying: "Decloak: XX:XX:XX:XX:XX:XX (the X's would be letters and number of the MAC Address). What does this ...
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22 views

Does my router broadcast the original WAN MAC address when rebooting?

I have a cloned WAN MAC address to connect to my ISP, does anyone know if it broadcasts the original router WAN MAC address during the router reboot process?
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46 views

If I want to spoof my wireless router's MAC address for privacy reasons, how should I pick one?

Like the title says: how do I decide which "random" MAC address to assign to a machine in order to hide the real one? Just entering a random one doesn't feel very... scientific. Thanks.
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Where does the OS fetches the MAC address before encapsulating frames?

packet arrives from application->...Network->(IP encapsulation added here as per IP configuration)->goes down to Data Link Layer Here the Framing is Done and SourceMac and Dest Mac is added for LAN ...
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83 views

Why would someone spoof my MAC address?

well today I updated the version of DD-WRT on my router and started messing around with the WiFi visualizer and noticed that someone is spoofing my routers WLAN MAC address. I know it's trivial to do ...
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42 views

Program to monitor network usage and perform system functions accordingly

Is there a program out there that monitors network usage, and then can execute system network functions upon a specific network change. For instance, I would like to monitor the download amount, once ...
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78 views

Synology DS214se - Possible to find MAC addresses of connections?

I need some help to find the hardware addresses of earlier connected computers. Some detailed log file or something Can i do this somehow ?
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74 views

MAC spoofing error encountered

I'm somewhat new to Linux (using Ubuntu 14.04), and I'm playing around with MAC address spoofing. I had it working for a few days, to where I could go into the command line and use ifconfig to change ...
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371 views

Windows 8 Force MAC Address Spoof

Just to make this short, I've tried almost everything I found on Google to spoof my MAC addres (Registry, SMAC, NetworkAdress in Adapter Settings, etc.) and none worked. This is because of something I ...
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41 views

How can I filter my home network?

I live in an apartment with one roomate. They have a monopoly, as the complex actually has it's own special ISP they offer...and they restrict other, better providers like Verizon, Charter, and so on. ...
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86 views

/etc/ethers is not being read by dnsmasq

I recently configured dnsmasq on Raspbian, and everything was working perfectly except that /etc/ethers wasn't being read (yes, I did uncomment read-ethers and remember to restart dnsmasq) - the ...
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1answer
105 views

Know the MAC address in the network without touching the router

I'm new to network programming and I don't know if this is the right place where to ask. I have a small router with a proprietary control panel (= no openwrt or similar). I'd like to know ...
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1answer
143 views

How can I connect to a router through a switched ethernet network?

I have a computer and a router connected at different positions to a switched ethernet network. I want to connect them as if I had plugged my computer directly into the router. As I understand it, ...
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1answer
93 views

Issues with IP address when changing MAC address

Whenever I spoof my MAC address the WiFi fails to acquire IP automatically and I have to set it manually. My original MAC address is blocked on the network. Please help me, I'm facing IP address ...
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1answer
224 views

iPad and Wifi Access point on a MAC restricted network

I'm trying to help my sister get her iPad online in her university halls of residence. She has one ethernet port in her room and there is no wireless provided. I got her a wireless router (which is ...
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255 views

CE interface in Solaris 10 drops mac address (per ifconfig)

I recently installed Solaris 10 1/13 and proprietary TCP PEP software on a new hard drive within an old Sun v210. When the PEP software starts, the Sun's CE0 interface loses its "ether" address, ...
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2k views

The same MAC address twice on network?

Recently the Wifi network at our small company was messed up in a strange way. When I did a arp -i en1 -a I did in fact see the same MAC address listed twice. When I inquired with a ...
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176 views

How to find the MAC addresses of an unsecure network, on Windows, using the easiest steps?

As I try to prove that an insecure network, even with MAC filtering feature, is a bad thing (link here) , I've tried to find out the easiest way to do so. I'm trying to show that it's easy to enter ...
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405 views

Separate MAC Filtering Rules for Each Frequency in Linksys EA2700-RM

I recently bought a Linksys EA2700-RM router for my home. I have set up the 5GHz network, the 2.4GHz network and the Guest network. My 5GHz network is for highest priority devices, the 2.4GHz network ...
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1k views

Automatic rename computer based on mac address

How to automatically rename computer host / name based on it's MAC address? I have 40 PC's and I need a script to rename them automatically at logon after I use ghost. Win7 environment.
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333 views

Change Mac Address on Wireless NIC

Problem I currently use a Intel(R) Centrino(R) Advanced-N 6230 network adapter, and I need to spoof the mac address in order to test security on my network. The problem is that the latest driver for ...
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743 views

Linux Mint chooses random MAC address on bootup

Every time I start a machine with Linux Mint 14 installed, the Ethernet NIC chooses a random MAC address to use. Is there a way to disable that behavior?
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1answer
756 views

IP conflict when connecting DHCP enabled PC to DHCP enabled laptop with its wireless and wired network connections bridged under Windows

I have a laptop running Windows XP SP3 with a wireless NIC and a wired NIC. I bridge the two network connections under Windows\Control Panel\Network Connections. This gives me a single bridged network ...
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324 views

Why is my WNIC MAC changing every reboot?

The university I attend scans student and faculty machines with an agent (Bradford) to ensure they comply with policy (i.e. AV is installed and up-to date, and the OS is patched). The system's MAC ...
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76 views

Router wont clone Mac address

I have a DX-WGRTR and in the router settings there is an option to clone WAN MAC address. When I tried to clone my computer MAC address the router reboots after 25 seconds but it automatically set the ...
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79 views

Find mobile device on network

I'm trying to write a small program that will poll the network for certain IP addresses or MAC addresses (though MAC doesn't seem to show up past my WAP). My networking isn't very strong but many ...
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3k views

Spoof MAC address Win 7 to 00 prefix [duplicate]

I want to change my windows 7 Mac Address of wireless adapter to any adres with a prefix of 00. This because the router i`m on only allows connections of 00-Mac addresses. At least, that is what I ...
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445 views

How can i change my MAC Address?

I want to know that how can i change my MAC address? Is there any software? What do I need? I need a program, what is automaticly change the MAC addres and of course he can generates random MAC ...
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1answer
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How to change MAC address on Mac OS X 10.7.3 Lion?

I'm trying to change the MAC address for the interface en1. ifcongig Output: lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 options=3<RXCSUM,TXCSUM> inet6 fe80::1%lo0 ...
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2answers
3k views

Mac address clone on DD-WRT

I am on a network on which I have my old router's mac address registered so I can access the internet through this network (it's filtered by mac address). I've recently replaced the old router and am ...
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748 views

Router changes its MAC Addresses

I constantly lose my Internet connection. After analyzing the problem I found that my router, TL-WR741ND [TP-Link], changes its MAC address by switching through the WLAN's, LAN's and WAN's MAC ...
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781 views

ifconfig won't let me set MAC address that doesn't begin with 00:26

I have an Intel 1000 BGN Wi-Fi card and I tried to set its MAC address to 00:00:de:ad:be:ef, but this didn't work: [root@localhost .]# ifconfig wlan0 hw ether 00:00:de:ad:be:ef SIOCSIFHWADDR: Cannot ...
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2answers
1k views

Discover the public ip of a network without being connected

Let say, I'm next to a network and can see the traffic (with airodump or similar tool) but can not decipher it (because I am not connected on the network). Is it possible to discover the public ip ...
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1answer
1k views

MAC address of default gateway spoofed

I am currently living in an apartment with a shared internet connection. All rooms in the building are connected to a switch, which is hooked up to some fiber connection. Now, someone was wise enough ...
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1answer
726 views

Another user in my network is using my IP and MAC address - what can I do?

These days I had problem with my internet connection. I have a static IP connection, but some time ago I couldn't access the internet. A friend helped me and we found out that the IP and MAC-address ...
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1answer
887 views

Copy Mac Address into Clipboard help in Windows 7

Given the batch script below. How would I be able to give me a MAC address with no dashes and add a "D" in front of it? So when I go and paste, it has a MAC address that starts with a D and there ...
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1answer
1k views

Intel Ultimate-N mac address change [duplicate]

I want to change the MAC address of my laptop. My laptop has Intel Ultimate-N 6300 wireless card. Although I've managed to change the MAC address in Linux, I still cannot change the MAC address in ...
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1answer
232 views

Onboard Ethernet suddenly stopped working to router

Yesterday I had a sudden problem with my Ethernet connection to my router. My computer is a Pentium 4 with Windows XP SP3 running on it and it was working fine earlier in the day, but yesterday night ...
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1answer
1k views

VPN authentication and MAC addresses

I have to set up a VPN (various clients connecting to a web service on a server, which is also the VPN server) and I want to make sure that no user will share his/her credentials with third parties. ...
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4answers
2k views

How to know if a network is locked by MAC address

If I unplug a internet cable from another PC and plug it in my laptop, but it says no internet connection. Then I've been told that the network restrict certain MAC address. My question is that is ...
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2answers
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How to bypass MAC address filters

I have a program that gets my MAC address, and it won't work with the real one; I need to clone it. The problem is that if i try to spoof it from regedit, the software will recognize it. I cannot use ...
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2answers
113 views

How to bypass router access control?

For the past month, me and my father have been having a friendly war about the internet in my household. Basically, after 9:30 at night, he turns off my internet, by setting a schedule that stops a ...