DNS was designed to be hierarchical and provide a structure for hostnames to be decentralized into zones and managed by many separate authorities. For more information, see the reference documentation for the NGINX JavaScript module – the Example Configuration section shows the correct syntax for NGINX configuration and JavaScript files.] The History of DNSĭNS was the second attempt at creating a naming service for the Advanced Research Project Agency’s (ARPA) early Internet, the first being the Internet Name Server protocol published by John Postel in 1979 as IEN-116. The code in this post is updated to use the js_import directive, which replaces the deprecated js_include directive in NGINX Plus R23 and later. For a complete list, see Use Cases for the NGINX JavaScript Module. [ Editor – This post is one of several that explore use cases for the NGINX JavaScript module.
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In this post I look at two emerging technologies for securing DNS, DNS over TLS (DoT) and DNS over HTTPS (DoH), and show how to implement them using NGINX Open Source and NGINX Plus. But new proposals to change the DNS transport mechanism may be about to change that. The Internet’s name service, which has its origins in ARPANET, has never had any backward compatible breakages since its inception.
There’s a lot of talk surrounding the Domain Name System (DNS) at the moment, with massive changes being proposed for the 36-year-old protocol.
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