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Under inbound Rules, locate a tab to create New Rule. First click on the inbound rules options. Inside the Advanced Settings option, you would locate inbound rules and outbound rules. Under Windows Firewall Option, click on the Advanced Settings option

Inside the System and Security Option, click on Windows Firewall option. Inside the Control Panel, go under System and Security Option. If you using any other Windows OS, simple locate the Control Panel and you are good to go!. If you using Windows 8, 8.1, 10, Hold Windows Key+X, then scroll down to Control Panel and click. That is you can’t send data to the internet. Just wanted to mention it.Blocking All TCP Ports of Inbound Connection on Windows 7, 8, 8.1, 10ĭoing the steps of blocking all inbound connection, ensures internet connection going out of your computer is completely blocked. I'd call this unlikely, but given how Google operates, there's a non-zero probability of collision. In that case, if youtube was looked up first, subsequent attempts to reach could fail. might have the same IP address as, because Google owns both. It CAN fail closed (block traffic it shouldn't) under certain circumstances, primarily because Google is so large, and may (unconfirmed) be using the same IP addresses for other Google services. If it contains the destination IP address, the assumption is that it was added because of a previous lookup of, and the connection is REJECTed.

The firewall will then reference the ipset for any traffic coming from the specified source IP address (obviously, change that to be your kid's computer). If anyone on the network looks up any or *. names, dnsmasq will add the corresponding IP address to the named ipset, depending on IP protocol version. To clarify, I have a stanza in /etc/config/firewall that creates an ipset for IPv4 and another for IPv6 addresses: If they are using your OpenWrt router for DNS, a combination of ipset, dnsmasq and iptables should do the trick.