Cloudflare has developed a new DNS (Domain Name System) standard with Apple and the cloud service provider Fastly, which is intended to offer end users better data protection on the Internet. The new protocol, known as Oblivious DNS over HTTPS (ODoH), is used to anonymize information about surfing the Internet before it is sent to Internet providers. It’s also an extension of the existing DNS over HTTPS (DoH) designed to protect DNS requests sent from your computer to a server. Cloudflare has partnered with proxy providers like Equinix, PCCW, and SURF to provide ODoH with a proxy to protect end-user privacy.
Web browsers use a DNS resolver to convert the links you provide into machine-readable IP addresses. This process helps in finding web pages that you want to access on your system. At the same time, DNS resolvers, which are primarily Internet service providers, can show which web pages you are loading into your browser. This affects your privacy every time you access a website.
Entities including Apple, Cloudflare, Google, and Mozilla have all introduced DoH in the past to address some privacy issues. This protocol helped make it harder So that bad actors can view the DNS queries that you made using the HTTPS standard for exchanging DNS packets. However, DoH doesn’t exactly help protect your privacy from DNS resolvers. Here ODoH can be a real savior.
The new protocol brings a proxy server between the client and the DNS server. This means that a DNS resolver – or, to put it simply, an Internet provider – cannot see where it is getting certain queries from. It helps to protect your identity when processing DNS requests. However, your Internet Service Provider (ISP) may still be able to see which websites you are browsing.
Cloudflare engineers, along with Apple and Fastly, have used DoH as part of ODoH to protect DNS requests as they travel between your system and a server.
As reported Through TechCrunch, the process ensures that the user identity is only known to the proxy and the website request is only known to the DNS resolver.
Cloudflare found that the response times to ODoH are “practically indistinguishable” from the existing DoH. This indicates that the browsing speed is not changing noticeably.
The protocol also contains a fundamental property that is used to ensure that the proxy and target servers never “collide”. This aims to maintain user privacy even if either the proxy or the target server is compromised. However, this also means that the new standard is heavily dependent on the proxy server it uses to carry DNS requests.
Cloudflare initially implemented ODoH for its 18.104.22.168 DNS service. However, other similar services and web browsers have yet to adopt the new protocol. Additionally, you may have to wait some time to see mass adoption for the latest development.
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