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13
votes
8answers
2k views

Randomizing MAC addresses on bootup

Since it is possible to set custom MAC addresses, wouldn't it make sense to have a new one as often as possible/convenient (i.e. on bootup)? It would seem that is useful to both attacker and victim ...
11
votes
1answer
2k views

Bypassing hidden SSID and MAC filtering “protection”

I was browsing over this question and had some follow up questions from a practical perspective. What tools will show the SSID of an AP with the SSID set to hidden or broadcasting disabled? I have ...
10
votes
4answers
4k views

How to break MAC address filtering?

If a MAC filter prevents you from connecting to a network, how can you break it or include your device's MAC in that filter?
8
votes
6answers
2k views

How can I restrict access to network data by an unauthorized computer that connects via Ethernet?

I assume I can configure most routers to only assign IP addresses to specific MAC addresses, as is possible with wireless routers. However what if a computer is connected via Ethernet and does not ...
6
votes
1answer
682 views

Reasons behind MAC Spoofing on a corporate network?

My team is inspecting some MAC Spoofing events that are triggering in our corporate environment. After talking it over with the team, this is the information that we have that is relevant.... The ...
6
votes
4answers
3k views

Security provided through MAC filtering: Wired vs. Wireless Networks

My question refers to the following article on Wikipedia: MAC Filtering. The article states: MAC filtering is not effective control in wireless network as attackers can eavesdrop on wireless ...
5
votes
3answers
24k views

Can a website still detect my real MAC address even if I use different virtual machine each time I visit the website?

Suppose I use a proxy and a different virtual machine each time I visit a particular website, will a website still be able to detect my MAC address and/or uniquely identify me? Assume that the website ...
5
votes
2answers
2k views

What is the best way to protect a captive portal againt MAC spoofing

What is the best way to protect a captive portal againt MAC spoofing? The MAC Address appears one of the only ways to distinguish wireless clients from one another, anything one authenticated client ...
4
votes
1answer
357 views

How does Karma's open WiFi network successfully protect its users?

Foreword This question has a lot of build-up, so please scroll down to the bottom if you just want to see the question. Please at least skim the background info, though. Background I ordered a ...
3
votes
3answers
2k views

How can I make it more difficult for a user to create multiple accounts?

I would like to know the best way to increase security on a website so that the a single user can't create multiple accounts. What all of a user can be traced? I'm thinking: IP address Mac address ...
3
votes
1answer
45 views

Do NICs designed for anonymity exist?

Are there any NICs designed specifically for anonymity that do not come with a MAC address (ie you have to set it manually) or choose one randomly every time they are turned on? Obviously this ...
3
votes
1answer
3k views

Wireless MAC Address Filtering - Authentication/Association

Can somebody explain to me how a wireless AP denies access to the network if the client does not have the correct MAC Address. Does it not send a probe response when a client has not got a correct ...
3
votes
1answer
704 views

How can Port Stealing be used as a MiTM attack?

I read about and tried a lot of MiTM attacks but I just don't get how Port Stealing can be used as a MiTM attack. In my understanding one can "steal" a Port by sending Ethernet Frames faking the ...
3
votes
1answer
134 views

Wireless and MAC Spoofing of AP's

Today I observed some strange behavior with an IP address on our network. Our main switch was reporting that it's MAC address kept changing, a couple times every minute. We pinged the IP repeatedly ...
2
votes
1answer
8k views

MAC spoof not working?

I have set up our home router to only allow certain MAC addresses to connect. One way to test if the filter is working is to spoof a MAC address not in the list and trying to connect to the router. So ...
1
vote
2answers
576 views

What reliable methods are available for tracing the source of an ARP poisoning attack?

If an attacker on the network attempts to use ARP poisoning (spoofing) in order to redirect traffic to his own machine, what mechanisms and techniques are available for tracking the spoofed ARP ...
1
vote
1answer
553 views

Is it possible to spoof the mac address of a wireless adapter so that windows sees the spoofed mac as the physical?

I know that its possible to spoof a mac address out to a network. But is it possible to spoof the address, so that the Windows operating system and applications running on Windows see a spoofed ...
1
vote
2answers
850 views

MAC spoofing preventing connection

I'm attempting MAC spoofing on a network I own. I'm connecting to a NETGEAR WNDR4300 wireless router from an Ubuntu Linux machine. The network uses WPA2-PSK [AES] security. Connecting to the network ...
1
vote
2answers
47 views

Does MAC spoofing prevent identification?

I regularly connect to public wireless APs scattered around the city, offered by my carrier. I remember reading an article that a determined owner can track you between APs and thus know your location ...
1
vote
0answers
24 views

MAC spoofing under a OPN Access point HTTP does not work

I want to do a demo on the wifi security. So, I have one Wifi router and two client. I configured my router without security (OPN) and with a MAC filter. One of the two client is connected to the ...
0
votes
6answers
112 views

Does MAC address filtering provide security? [duplicate]

Sometimes I need to configure the router and choose which devices can connect to my network (MAC address filtering). For example, limit connections to 3 specific machines. But for an advanced user, it ...
0
votes
3answers
95 views

Can WiFi detect you even if you aren't connected

I've read that the way WiFi works is that your computer sends out requests looking for any WiFi it recognizes. I use a MAC spoofer but if there is a WiFi in range before I have time to spoof my MAC ...
0
votes
0answers
27 views

MAC-spoofing / unsolicited incoming ARP reply detected - what to do?

I am behind a Linksys router. I have my computer connected to the router via cable. I have a WPA2 security set up. I am on Win 7. I have just been notified by Symantec antivirus with the following: ...
0
votes
0answers
19 views

Is Android WLAN MAC Address vulnerable? [duplicate]

What can a person do if he/she has WLAN MAC Address of my Android Device? What can be done to save my personal information?
0
votes
0answers
26 views

MAC changer and VPN can be trusted? [duplicate]

I must spoof my identity for some reason. Are Technitium Mac Address Changer App on windows and VPN is a trusted way to be anonymous?
0
votes
1answer
125 views

Can't log into Windows, mac-spoofing issue or malware?

My computer won't let me log into my account. On the Windows sign in screen it has my account name, but when I put in my password, it always says my password is wrong. No Caps Lock. This happened ...
-4
votes
1answer
6k views

Can't connect to network after spoofing a MAC address [closed]

I just spoofed my MAC at my school and connected to router. I got past the firewall, but now I don't have internet access. I am using windows 7.