How can I isolate my PC through Lan networking

[Stranger410]

Hey there! I'm thinking what (if whichever) is the most excellent way to isolate a PC in my house from the remaining of the network (a business-oriented device) therefore that if whichever of the other (wireless) laptops are cooperate it won't change this one (wired desktop)? The business machine is severely devoted in terms of allowable IP addresses to visit and only runs a few programs (Win 7 64x). I've understand there is a technique (short of the expense of another line) using 3 routers although I'm not certain how this is done (I think it's a Gibson GRC method though I can't find it). I've read of possible Linux based answer using disentangle (I have a extra Pentium 4 I could donate to this if it performs). Any thoughts/references would be respected! Thanks.

[Sabastiaan]

The business machine even has to connect to the internet but not to interrelate with the computer kept different peripherals in the LAN, that about correct? then the computers should be on a separate subnet. There are several routers that provide several support such, e.g. FritzBox provide by the AVM. Here a separate guest WLAN (subnet) is incorporated. on the whole it is anticipated to make available guests with a WLAN internet access when at your position but maintaining them out of your LAN.

[Paisley007]

Suppose that if you be acquainted with if the guest connects the internet through the wired connection for the internet connection? Then I think that your router has a separate visitor connection but its wireless only so it will cause you any trouble but assume that if it allows for a wired connection then. I think that you would require checking with the manual of your router concerning the IP settings (subnetting) of your W/LAN. A few routers may have different subnets for wired as well as wireless connection access or able to follow such. If you cannot discover something in the manual you may inquire the maker of your router or catch up in a forum casing that model. or just attempt it out and observe what IPs you are receiving on wired as well as wireless connections with the router.

[Visala28]

I think that by making use of your router should maintain any packets from getting the computer. Providing you don't contain a DMZ setup or any port promote rules to the PC you should be protected from arriving traffic. For leaving transfer signal you can setup your non-internet connected PC to have a stationary IP address on your system In your static IP arrangement depart the default gateway field vacant. This will keep this PC from transporting its internet-bound transfer to the router and whichever effort should come back with a no route to host fault, though, the machine should still be able to converse to the other computers on the LAN. This is not a totally secure execution. There is no firewall maintaining outgoing signals from getting the internet, so in hypothesis a particularly crafted packet could yet get to the internet from this mechanism, but for the majority reason this should perform.