DNS Filtering

DNS filtering is used by organizations to control what their employees can browse on company-managed networks to keep data secure. An internet protocol (IP) address associated with a domain name is identified by DNS to access webpages. Internet users can type the domain name instead of a nine-digit IP address by this for accessing web pages. 

The IP address of websites where it suspects threats is blocked by DNS. The access of  professionals is restricted, limiting threats to the  core network of organization. A DNS filter generally blocks websites related to gambling, malware attacks, or pornography. 

DNS security solutions can be leveraged by organization to secure DNS servers and the websites they support. Reasonable control over users accessing unwanted content can be provided by a DNS filtering. DNS filtering meets compliance regulations, promote productivity, block malware downloads, block visits to phishing sites, eliminate ransomware and gain insights.

DNS filtering process include domain name registry, DNS filtering, DNS blacklisting and DNS whitelisting. Policy-based DNS filtering, DNS sink-holing and DNS filtering with machine learning are some of the popular approaches implemented across industries.