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Linux distributions use the Name Service Switch configuration file /etc/nsswitch.conf [9] in which mDNS name resolution was added via the mdns4_minimal plugin to nsswitch. In this configuration, where mdns4_minimal precedes the standard dns option, which uses /etc/resolv.conf, the mDNS resolution will block subsequent DNS resolution on the ...
The Link-Local Multicast Name Resolution (LLMNR) is a protocol based on the Domain Name System (DNS) packet format that allows both IPv4 and IPv6 hosts to perform name resolution for hosts on the same local link. It is included in Windows Vista, Windows Server 2008, Windows 7, Windows 8, Windows 10. [1]
In computer systems, name resolution refers to the retrieval of the underlying numeric values corresponding to computer hostnames, account user names, group names, and other named entities. Computer operating systems commonly employ multiple key/value lists that associate easily remembered names with integer numbers used to identify users ...
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.
The main approaches that are in use to counter privacy issues with DNS: VPNs, which move DNS resolution to the VPN operator and hide user traffic from local ISP, Tor, which replaces traditional DNS resolution with anonymous .onion domains, hiding both name resolution and user traffic behind onion routing counter-surveillance,
OpenDNS is an American company providing Domain Name System (DNS) resolution services—with features such as phishing protection, optional content filtering, and DNS lookup in its DNS servers—and a cloud computing security product suite, Umbrella, designed to protect enterprise customers from malware, botnets, phishing, and targeted online attacks.
Windows Internet Name Service (WINS) is a Microsoft name resolution service, introduced in 1994 with Windows NT 3.5, for translating NetBIOS names to IP addresses. NetBIOS names are an older naming convention used for local name resolution before DNS became ubiquitous. WINS is mostly unnecessary for modern networks unless legacy systems require it.
Prior to Windows Server 2003 and Microsoft Windows 2000 Service Pack 3, the most common problem encountered with Microsoft's DNS server was cache pollution. Although Microsoft's DNS Server had a mechanism for properly dealing with cache pollution, the mechanism was turned off by default.