Is it technically feasible, if I have a network, computers are connected to it, I "edit" the network, the z.b. A new notebook, can't establish a LAN connection?
You can rausfiltern there as with the WLAN certain Macs. Then only the listed devices go.
Yes, with a black / whitelist of Mac addresses or you virtualsiert a switch and switch individual ports free.
This must support your router, there can set whether unknown devices are blocked
Depends on your network devices, there are some possibilities, eg in the router, the MAC address of this device lock / restrict or allow only certain devices to work with vlans…
Or the lappi not even infected…
With such attitudes does a person have the possibility to work around this?
Yes, that is relatively easy. The best protection is a wlan password. Once you have access to the network, you can do any harm, no matter if a macfilter or not is set up.
Yes, if you Using a Mac spoofer and pretending to have another MAC, so to speak. This only works if both PCs are not online at the same time. Otherwise, it is very likely to disconnect the two PCs.
One possible software is here:
If it is not easy to get around then it will probably have to be 802.1x.
