in AdGuard for iOS: Protection → DNS Protection → DNS requests filtering → DNS filters → Add filter.in AdGuard for Windows: Settings → DNS protection → Open DNS filters editor → the plus icon at the bottom-left corner.in AdGuard for Mac: Preferences → DNS → Filters → the plus icon at the bottom-left corner.To find the input field, follow these instructions: To add a new filter, enter a link to it or import it from your device, and AdGuard will detect it automatically. How to add third-party DNS filters and where to find them But be careful, as adding inaccurate rules or too many filters can cause some sites to malfunction. You can customize DNS filtering in the AdGuard products by adding rules and filters – third-party and your own. in AdGuard for Android: Settings → DNS Filtering → DNS requests blocking → enable AdGuard DNS filter.in AdGuard for iOS: enable Advanced Mode in Settings, then go to Protection → DNS Protection → DNS filtering → DNS filters, and enable the AdGuard DNS filter.

in AdGuard for Windows: Settings → DNS Protection → Open DNS filters editor → check the DNS Filter box.in AdGuard for Mac: Preferences → DNS → Filters → enable AdGuard DNS filter.It is preinstalled in all AdGuard products that support DNS filtering. A group of rules is called a filter.įor instance, the AdGuard DNS filter has about 50K rules that block requests to advertising and tracking domains. They are strings written using a specific syntax. Filters and filtering rulesįiltering rules tell DNS servers which domains to block and which to allow. If you want to learn more about how DNS filtering works, read the AdGuard DNS Knowledge base article.ĭNS filtering is available in AdGuard apps for Windows, Mac, Android, and iOS. Simply put, a filtering DNS server does not send back their IP addresses. In particular, DNS filtering is used to block access to ad servers or malicious websites. The DNS server answers with the IP address of the server hosting this website. When you go to a website, your browser sends the website name (for example, ) to a DNS server. DNS filtering is a mechanism for blocking access to certain content on the Internet.

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