These technologies come inbuilt with Windows. You can apply this group policy to individual users or whole OUs as you see fit and will work well across all devices. Hence why we are blocking all the non-private IP ranges, in other words we are blocking the entireity of IP addresses on the wider internet and not even specifying the private RFC and RFC ranges. Next we will need to setup the fake proxy as per the majority of advise out there regarding such things.
You may need to download the IE admin pack first though. Make this setting enabled and click Ok. Thank you for this article. Is it possible to adapt the GPO settings to achieve that? This would be very difficult and the only way you could do it I can think of would be to use a proper proxy to enforce gmail. Doing it from IPs saying that Google have many of them would allow things like Google Search and other Google services inadvertantly.
A great way to block internet for clients via GPO. But there is an error which can be quite nerve wrecking. The last IP range: If you deploy this to a large number of computers, they will gradually start to loose connection since none will be able to renew IP. This way, you have better control and no one can bypass without access to the firewall. Changing the gateway is indeed the simplest solution, but if you're like one of my customers, it may not take care of the problem.
They don't have GPO set up and some employees have in the past figured out why they couldn't get internet. Change the IP settings to re-add a gateway, and voila. GPO or a good firewall would be the way to go, I'd imagine, but I'm not a GPO expert so I couldn't tell you exactly what to do without researching it myself.
One thing that may be worth considering is that the reason I believe that you're wanting to disable Internet access is because of the EOL scheduled for April. If that's the case, I would suggest that setting options in the OS may not be the best way to go since you won't really be able to 'trust' the OS.
Based on that, it may be better to go with something that's done at the network like setting the solution proposed by John. If possible, it may not be a bad idea to also go ahead and setup a VLAN that completely isolates the XP machines from everything else on the network that's possibly the tin-foil hat, black helicopters conspiracy freak in me.
Do you need access to anything that is not the domain controller? I would create a separate subnet with no router and use a spare network port on the domain controller to connect to the new network. If routing is not enabled on the domain controller the devices can see each other but traffic can't leave the subnet. I already did the gateway trick and it works for now. Looking over these other suggestions.
Another simple trick is to use a fake proxy server address, with "Bypass proxy for local addresses" checked. If they try to go out on the internet, they'll never contact the proxy, and therefore never get to the internet. This is what I do for some front line type PCs. They need access to internal recourses and one or two external sites.
Works great. You could uncouple the Heisenberg Compensators and flush the quantum capacitors. Sorry Brian but I couldn't resist when I saw it was you. I would have said something helpful, but you're right you've already got at least 4 working solutions that I see. It all really depends on what local network resources you need them to still access you might need to adjust the host file to lock it down further.
If you need local resources available, I'd probably remove the DNS server info and create static routes to all local resources, then put a wildcard entry pointing back to the loopback address in your host file. That will further limit their ability to get out. Stefan Seidel Stefan Seidel The only catch is that if you have more than one local subnet, the computers will not be able to talk to computers in other subnet s.
Another catch, on Windows 8, when you restart the machine, it automatically restores the connection — I. After entering route delete 0. Win7 64bit — zigojacko. Just like what I. Pascual said, when you restart the machine, it automatically restores the connection.
Win10 x64 — Seynal. Seynal if you want to persistent this rule, need add -p when delete. VBwhatnow VBwhatnow 2, 1 1 gold badge 16 16 silver badges 22 22 bronze badges. Even if its only specific machines, there are methods with routers that are not cheap consumer grade routers Make sure your virtual machine is turned off.
Michael Tunnell Michael Tunnell 4 4 silver badges 5 5 bronze badges. Michael's solution works up to a point. With a VirtualBox XP machine while all the network files are available, the network attached printer doesn't work even though it shows up under printers. Worked great for me. This is very handy to start suspicious programs in a restricted environment so they can't phone home.
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