NxFilter is a free DNS filter for commercial and non-commercial purposes. It's light, fast and easy. You can use it for any environment including companies, schools, hospitals, churches, libraries, etc.

NxFilter is a free DNS filter for commercial and non-commercial purposes. It's light, fast and easy. You can use it for any environment including companies, schools, hospitals, churches, libraries, etc.

NxFilter is a high performance network-wide filtering software designed to be used in an enterprise environment. It is not a simple AD blocker. NxFilter provides a rich set of features and many of them are the ones you only can find in commercial filtering appliances. It is a full featured DNS filter being able to handle several thousand users ...

In Active Directory, DNS is playing a very important role. Not to break anything with your Active Directory integration, you should set your MS DNS server to be the Local DNS of NxRelay and bypass your Active Directory domain as the Local Domain of NxRelay.

You can bypass DNS requests to specific DNS servers according to domains. It bypasses everything including authentication, filtering, logging. It works just like 'DNS > Setup > Local DNS'.

To monitor and filter Internet activity, you need to make NxFilter to be the only DNS server for your network. The simplest way of setting up NxFilter as the DNS server for your users would be modifying the network setup at OS level like the screenshot above.

NxFilter is basically a forwarding, caching DNS server with filtering ability. You also can use it as an authoritative DNS server.

NxProxy needs to detect DNS server IP of the system it's running on. And it also needs to restore the DNS settings it changed when it stops. While doing that, it uses DHCP and it will change your system IP address. However, you may want to use a static IP for your system.

You can set your NxFilter as the DNS server for your network using DHCP and block outgoing UDP/53 on your router or firewall. By doing so, NxFilter becomes the only DNS server for your network and you get your filtering.

You can run DNS over HTTPS service by NxFilter. With this feature, you can filter roaming iOS or Android mobile devices.