0
votes
3answers
218 views

Duplicate MAC but different IP on home router

Would it be possible to have duplicate MAC addresses but different IPs on a home router? My questions are listed below. I don't have computers with the same MAC. The second connection displays no ...
2
votes
1answer
483 views

Will I experience any issues if I change my laptop's MAC address(es)?

I'm always worried about anonymity and privacy, and just now I realized that some programs have access to the MAC address (and actually do it), eg: Dropbox. So I was wondering if changing the MAC ...
0
votes
1answer
203 views

MAC address ends with FF:FF:FF

My PCs MAC address ends with FF:FF:FF. I am little confused about this address. As per my knowledge MAC address is of 12 Hex digits (first 6 correspond to Company and second half to a unique NIC). And ...
0
votes
1answer
668 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 ...
0
votes
1answer
877 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. ...
11
votes
7answers
4k views

Why is MAC-based authentication insecure?

Most wireless routers can use MAC-based authentication as part of their overall security scheme. It seems like a good idea, but I've heard that it is very ineffective, because it's easy to spoof MAC ...