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Fast flux is a domain name system (DNS) based evasion technique used by cyber criminals to hide phishing and malware delivery websites behind an ever-changing network of compromised hosts acting as reverse proxies to the backend botnet master —a bulletproof autonomous system. [1] It can also refer to the combination of peer-to-peer networking ...
DNS analytics. DNS Analytics is the surveillance (collection and analysis) of DNS traffic within a computer network. Such analysis of DNS traffic has a significant application within information security and computer forensics, primarily when identifying insider threats, malware, cyberweapons, and advanced persistent threat (APT) campaigns ...
Pharming. Pharming [a] is a cyberattack intended to redirect a website 's traffic to another, fake site by installing a malicious program on the victim's computer in order to gain access to it. [citation needed] Pharming can be conducted either by changing the hosts file on a victim's computer or by exploitation of a vulnerability in DNS server ...
Blackhole DNS servers are Domain Name System (DNS) servers that return a "nonexistent address" answer to reverse DNS lookups for addresses reserved for private use. Background [ edit ] There are several ranges of network addresses reserved for use on private networks in IPv4 : [1]
DNS blocking. Domain Name System blocking, or DNS blocking / filtering, is a strategy for making it difficult for users to locate specific domains or websites on the Internet. It was first introduced in 1997 as a means to block spam email from known malicious IP addresses. [1]
DNS leak. A DNS leak is a security flaw that allows DNS requests to be revealed to ISP DNS servers, despite the use of a VPN service to attempt to conceal them. [1] Although primarily of concern to VPN users, it is also possible to prevent it for proxy and direct internet users.
STUN (Session Traversal Utilities for NAT; originally Simple Traversal of User Datagram Protocol (UDP) through Network Address Translators) is a standardized set of methods, including a network protocol, for traversal of network address translator (NAT) gateways in applications of real-time voice, video, messaging, and other interactive communications.
DNS zone transfer, also sometimes known by the inducing DNS query type AXFR, is a type of DNS transaction. It is one of the many mechanisms available for administrators to replicate DNS databases across a set of DNS servers . A zone transfer uses the Transmission Control Protocol (TCP) for transport, [1] [2] and takes the form of a client ...