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How to block all servers of a service? For example, you want to block all of roblox, as roblox has a different server for its website and for its various games, etc. When I run ping www.roblox.com, I get:

ping www.roblox.com
Pinging www.roblox.com [8.42.96.25] with 32 bytes of data:
Reply from 8.42.96.25: bytes=32 time=66ms TTL=246
Reply from 8.42.96.25: bytes=32 time=68ms TTL=246
Reply from 8.42.96.25: bytes=32 time=68ms TTL=246
Reply from 8.42.96.25: bytes=32 time=66ms TTL=246
Ping statistics for 8.42.96.25:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 66ms, Maximum = 68ms, Average = 67ms

I get the IP address 69.172.201.47 and 8.42.96.25, but which one should I block? Which is the server and which is the web server?

Edit

When I run nslookup www.roblox.com, it gives me:

nslookup www.roblox.com
Server:  UnKnown
Address:  192.168.6.1

Non-authoritative answer:
Name:    www.roblox.com
Address:  8.42.96.30

closed as unclear what you're asking by JakeGould, n8te, DrMoishe Pippik, Seth, Pimp Juice IT Feb 6 '18 at 12:14

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    Instead of ping, run nslookup to get a list of the IPs. – mt025 Feb 4 '18 at 4:29
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    Where are you getting 69.172.201.47 from? – DavidPostill Feb 4 '18 at 9:44
  • @DavidPostill I get it from ping roblox.com – ds_secret Feb 4 '18 at 16:23
  • But its never shown in any of your output? Depending on their DNS configuration you won't be able to just ask them for a list of all their IPs. It's also unclear whenever you're trying to block incoming or outgoing traffic. Depending on the tools that are available and what/how you're trying to block you might be able to just use the DNS name. – Seth Feb 6 '18 at 11:10
  • @Seth I did explain it in my question. It is in the first {} part. – ds_secret Feb 7 '18 at 0:52
2

Open notepad as Administrator:

  1. Open Start

  2. Type notepad

  3. Right click and press Run as Administrator

Press File > Open, then navigate to C:\Windows\System32\drivers\etc. Click the dropdown so that it shows all file types, then double-click the 'hosts' file (it has no file extension).

Go to the bottom, then type:

0.0.0.0 www.roblox.com

Save the document, then close. Access to the domain www.roblox.com will be routed to the IP address 0.0.0.0, which doesn't exist. Incidentally, this is the method used by Spybot Anti-Beacon, the anti-Windows-10-surveillance tool.

  • I found this on another site and they told me to use the 127.0.0.1 IP. – ds_secret Feb 4 '18 at 16:44
  • Also does it block only the web server at roblox.com or both the web server and the game server. – ds_secret Feb 4 '18 at 16:45
  • @ds_secret this will block any traffic on any protocol, so both of the above. You can route it to 0.0.0.0 or 127.0.0.1 as 0.0.0.0 sends you nowhere and 127.0.0.1 routes to your local machine - technically, this is less robust. You can do either, but for "reasons" I recommend 0.0.0.0 – Tom Harris Feb 4 '18 at 21:17
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    It's the easiest approach but does have a caveat. If you do have other related domain names like robolox.com (missing the www.) or gameserver.robolox.com those won't be blocked unless you list each DNS name individually. – Seth Feb 7 '18 at 6:45
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    As far as I can tell you can't use wildcards and yes, for that single DNS name it works. Even if you add more but depending on what she/he knows about how their services operate (multiple game servers) it might be necessary to add more DNS names. So I just wanted to point it out. – Seth Feb 7 '18 at 8:03

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