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about is an internal URI scheme (also known as a "URL scheme" or, erroneously, "protocol") implemented in various web browsers to reveal internal state and built-in functions. It is an IANA officially registered scheme , and is standardized.
A Canonical Name (CNAME) record is a type of resource record in the Domain Name System (DNS) that maps one domain name (an alias) to another (the canonical name). [1]This can prove convenient when running multiple services (like an FTP server and a web server, each running on different ports) from a single IP address.
BIND, the most popular DNS name server (which includes dig), incorporates the newer DNSSEC-bis (DS records) protocol as well as support for NSEC3 records. Unbound is a DNS name server that was written from the ground up to be designed around DNSSEC concepts. mysqlBind, the GPL DNS management software for DNS ASPs, now supports DNSSEC.
Chrome was the industry's first major web browser to adopt site isolation as a defense against uXSS and transient execution attacks. [34] To do this, they overcame multiple performance and compatibility hurdles, and in doing so, they kickstarted an industry-wide effort to improve browser security .
Mozilla Firefox supports DNS prefetching, as of version 3.5. [9]Google Chrome supports prefetching of linked web content by "prerendering", as of version 11. [10]Internet Explorer supports prefetching of IP addresses by "DNS prefetching", as of version 9.
[34] [35] DNS-over-QUIC is an application of QUIC to name resolution, providing security for data transferred between resolvers similar to DNS-over-TLS. [36] The IETF is developing applications of QUIC for secure network tunnelling [35] and streaming media delivery. [37] XMPP has experimentally been adapted to use QUIC. [38]
DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. [1] This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.
DNS over HTTPS (DoH) is a protocol for performing remote Domain Name System (DNS) resolution via the HTTPS protocol. A goal of the method is to increase user privacy and security by preventing eavesdropping and manipulation of DNS data by man-in-the-middle attacks [1] by using the HTTPS protocol to encrypt the data between the DoH client and the DoH-based DNS resolver. [2]