It analyzes previous lists of websites, and if the website hasn’t previously been listed and marked as malicious, the user’s request is successful. The DNS filter utilizes blacklists of known malicious websites. When a user tries to visit a website and DNS web filtering is in place, the DNS server filters the IP address to check if the website is genuine or fake.ĭNS blocking happens when the website is recognized as malicious. DNS web filtering ensures a safe environment for your network operations by blocking users’ attempts to visit harmful websites.

The DNS is similar to a phonebook, but in this case, a phonebook containing website IP addresses. What’s Domain Name System (DNS) Web Filtering? In this article, you’ll learn everything you need to know to get started with OpenDNS content filtering for cybersecurity. DNS filtering technology is critical to Managed IT services. The core of any DNS filtering solution is evaluating and handling users’ DNS queries. Data breaches, bank account hacking, loss of sensitive information, and client’s accounts are examples of damages resulting from cyber-attacks.ĭNS content filtering, also called OpenDNS filtering, improves managed IT-serviced clients’ cybersecurity and their protection. OpenDNS content filtering offers the easiest way to filter web content and prevent access to unsafe or inappropriate websites on your network.Ī web filter restrains access to specific domains on the internet and prevents access to malicious webpages. Every connection a network makes on the internet exposes it to harmful threats.

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