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OpenDNS (Cisco)

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description OpenDNS (Cisco) Overview

OpenDNS, backed by Cisco, remains a highly reliable choice, particularly favored in corporate and educational environments due to its established reputation and robust administrative controls. It offers strong content filtering capabilities that can be managed centrally. While it has seen competition from newer, privacy-focused players, its institutional reliability and proven filtering mechanisms keep it relevant for large organizations.

help OpenDNS (Cisco) FAQ

What are the OpenDNS DNS server IP addresses?

OpenDNS provides two primary DNS resolver addresses: 208.67.222.222 and 208.67.220.220. These can be entered in your router or individual device network settings to route DNS queries through OpenDNS instead of your ISP's default servers.

Does OpenDNS still offer a free version after the Cisco acquisition?

Yes, OpenDNS still offers a free tier called OpenDNS Home, which provides basic DNS resolution and customizable content filtering for personal use. Cisco also offers paid enterprise-grade versions under the Cisco Umbrella brand with advanced threat intelligence and security features for business environments.

How does OpenDNS content filtering work?

OpenDNS filters content at the DNS level by refusing to resolve domain names that fall within categories you have blocked, such as adult content, gambling, or social media. This works across all devices on your network without installing software, though users can technically bypass it by changing their DNS settings on individual devices.

Does OpenDNS protect against phishing and malware?

Yes, OpenDNS includes built-in protection against known phishing sites and malware-distributing domains by blocking DNS resolution to those addresses. This network-level filtering complements but does not replace endpoint security software like traditional antivirus programs.

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