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Search references for DNS BLOCKING. Phrases containing DNS BLOCKING
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Search references for DNS BLOCKING. Phrases containing DNS BLOCKING
See searches and references containing DNS BLOCKING!DNS BLOCKING
Restriction on accessing an online resource
content blocking is IP address blocking, where servers IP address, or entire blocks of IP addresses are blocked for multiple reasons. Some public DNS Resolvers
DNS_blocking
System to identify resources on a network
The Domain Name System (DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources
Domain_Name_System
Protocol to run DNS queries over HTTPS
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
DNS_over_HTTPS
Domain Name System service
Public DNS was blocked in Turkey after it was used to circumvent the blocking of Twitter, which took effect on 20 March 2014 under court order. The block was
Google_Public_DNS
DNS server that points a domain to bogus internet addresses
domain sinkholes that span the entire Internet. DNS Sinkholes are effective at detecting and blocking bots and other malicious traffic. By default, the
DNS_sinkhole
Domain name system provided by Cisco
not stored in a local cache. On May 13, 2007, OpenDNS launched a domain-blocking service to block web sites or non-web servers by categories, allowing
OpenDNS
Software feature removing online advertising in a web browser or application
Ad blocking (or ad filtering) is a software capability for blocking or altering online advertising in a web browser, an application or a network. This
Ad_blocking
Name resolver service for the Domain Name System
services include: speed, compared to using ISP DNS services filtering (security, ad-blocking, porn-blocking, etc.) reporting avoiding censorship redundancy
Public_recursive_name_server
US Senate Bill
counter spam and malware. According to Daniel Castro, an ITIF analyst, DNS blocking is practiced in several democracies without "breaking the internet",
PROTECT_IP_Act
Network level ad- and tracker-blocking app
Linux network-level advertisement and Internet tracker blocking application which acts as a DNS sinkhole and optionally a DHCP server, intended for use
Pi-hole
blocking access to their customers since they approve of a free internet and were not involved in the case. The blocking is done using DNS blocking.
Countries blocking access to The Pirate Bay
Countries_blocking_access_to_The_Pirate_Bay
Ad blocking and privacy protection for everyone software
company primarily offering ad blocking services. They offer dedicated ad blocking applications, browser extensions, a DNS resolver, and a VPN service.
AdGuard
Type of computer attack
DNS rebinding is a method of manipulating resolution of domain names that is commonly used as a form of computer attack. In this attack, a malicious web
DNS_rebinding
internet providers to implement DNS blocking of websites that offer gambling that are not licensed in Norway. DNS blocking should have started on 1st of
Gambling_in_Norway
Public recursive DNS resolver based in Switzerland
Quad9 to be the most effective (97%) at blocking malware and phishing domains. As of June, 2021, Quad9 was blocking more than 100 million malware infections
Quad9
Practice of subverting the resolution of Domain Name System queries
DNS hijacking, or DNS redirection, is the practice of subverting the resolution of Domain Name System (DNS) queries. This can be achieved by malware that
DNS_hijacking
Restriction on accessing an online resource
censorship Access control IP address blocking Shadow banning DNS blocking Westfall, Joseph (2012). "Internet Blocking". Association of Internet Research
Block_(Internet)
Finding a domain name associated to an IP address
computer networks, a reverse DNS lookup or reverse DNS resolution (rDNS) is the querying technique of the Domain Name System (DNS) to determine the domain
Reverse_DNS_lookup
Protocol to run DNS queries using TLS
DNS over TLS (DoT) is a network security protocol for encrypting and wrapping Domain Name System (DNS) queries and answers via the Transport Layer Security
DNS_over_TLS
methods ranging from local Internet service provider blocks, intermediary blocking using methods such as DNS hijacking and man-in-the-middle attacks, and denial-of-service
Censorship_of_GitHub
April 2011. The technical measures used to block sites include DNS hijacking, DNS blocking, IP address blocking, and Deep packet inspection, making consistent
Web blocking in the United Kingdom
Web_blocking_in_the_United_Kingdom
Domain name system software project
PowerDNS is a software project providing a DNS authoritative server, recursor and proxy. It is written in C++ and licensed under the GPL. It runs on most
PowerDNS
websites may be blocked because they are suspected scam websites. Websites that are blocked in Singapore are easily circumvented by a DNS change without
List of websites blocked in Singapore
List_of_websites_blocked_in_Singapore
System (DNS) name server software. Each of these DNS servers is an independent implementation of the DNS protocols, capable of resolving DNS names for
Comparison of DNS server software
Comparison_of_DNS_server_software
Special-use domain name
multicast DNS (mDNS) and zero-configuration networking (zeroconf) so that DNS service may be established without local installations of conventional DNS infrastructure
.local
Option in Extension Mechanisms for DNS
Mechanisms for DNS that allows a recursive DNS resolver to specify the subnetwork for the host or client on whose behalf it is making a DNS query. This is
EDNS_Client_Subnet
Failed United States bill in 2011
Machine Ars Technica Smith, Lamar (January 13, 2012). "Smith To Remove DNS Blocking from SOPA". Congressman Lamar Smith. Archived from the original on January
Stop_Online_Piracy_Act
List of e-mail servers suspected of enabling spam
SORBS ("Spam and Open Relay Blocking System") was a list of e-mail servers suspected of sending or relaying spam (a DNS Blackhole List). It had been augmented
Spam and Open Relay Blocking System
Spam_and_Open_Relay_Blocking_System
Site blocks in Belgium are at this moment based on DNS Hijacking which has the possibilities of circumventing using proxies or DNS over HTTPS. Blocked websites
List of websites blocked in Belgium
List_of_websites_blocked_in_Belgium
the next day, the entire Wikipedia site was blocked by SNI blocking mode based on being contaminated by DNS the previous day. On May 14, the Wikimedia
Wikimedia censorship in mainland China
Wikimedia_censorship_in_mainland_China
Ccol
used by clients to locate the URL of a configuration file using DHCP and/or DNS discovery methods. Once detection and download of the configuration file
Web Proxy Auto-Discovery Protocol
Web_Proxy_Auto-Discovery_Protocol
In November 2011, the DNS blocking was expanded to include websites selling drugs and unlicensed online gambling sites. The DNS filters can easily be
Censorship_in_Denmark
Simple DNS Plus is a DNS server software product that runs on x86 and x64 editions of Windows operating system. All options and settings are available
Simple_DNS_Plus
Venezuelan streaming channel
along with some other Google services. DNS blocking is employed to generate the disruptions. The longest block of YouTube to date started during an Assembly
VPItv
Type of domain name record
A wildcard DNS record is a record in a DNS zone that will match requests for non-existent domain names. A wildcard DNS record is specified by using a
Wildcard_DNS_record
blocking and IP blocking. DNS blocking is relatively easy to circumvent (whether implemented through ISP-controlled DNS servers or sniffing all DNS requests);
Internet censorship in Australia
Internet_censorship_in_Australia
Administrable unit of the Domain Name System
A DNS zone is a specific portion of the DNS namespace in the Domain Name System (DNS), which a specific organization or administrator manages. A DNS zone
DNS_zone
Parody-themed wiki website
2012, encyclopediadramatica.ch was shut down for a short time due to a "DNS block". On March 21, 2012, the site moved to a Swedish domain name, at encyclopediadramatica
Encyclopedia_Dramatica
Lightweight DNS and DHCP server software
dnsmasq is free software providing Domain Name System (DNS) caching, a Dynamic Host Configuration Protocol (DHCP) server, router advertisement and network
Dnsmasq
if any domain is DNS poisoned in China in real-time. DNS poisoning is one way in which websites can be blocked. Others are IP blocking and keyword filtering
List of websites blocked in mainland China
List_of_websites_blocked_in_mainland_China
Free DNS service maintained by Cloudflare in partnership with APNIC
1.1.1.1 is a free Domain Name System (DNS) service by the American company Cloudflare that was started in a partnership with APNIC. The service functions
1.1.1.1
free public DNS service offered by Symantec Corporation that claimed to offer a faster and more reliable web browsing experience while blocking undesirable
Norton_ConnectSafe
Israeli streaming service
infringement company "Zira". The site's had an application that bypassed DNS blocking with a built-in VPN. On 11 March 2021, the site went down due to a fire
Sdarot
Technologies for automatic network connection configuration
such as Dynamic Host Configuration Protocol (DHCP) and Domain Name System (DNS), or configure each computer's network settings manually. Zeroconf is built
Zero-configuration_networking
American cybersecurity company
override the Allow/Denylist. SafeDNS prevents any bypass for both the cloud-based system, and the software agent by blocking proxies and anonymizers. The
SafeDNS
Protocol to encrypt DNS queries
System (DNS) traffic between the user's computer and recursive name servers. DNSCrypt wraps unmodified DNS traffic between a client and a DNS resolver
DNSCrypt
the ISP's DNS server. Some ISPs have blocked access to popular encrypted DNS domains to prevent their users from using DNS over HTTPS and DNS over TLS
Internet censorship in Indonesia
Internet_censorship_in_Indonesia
From 1999 to present day
service in Venezuela," which included blocking images from the social network Twitter, the Zello application, and blocking Internet access in the state of Táchira
Censorship during the Bolivarian Revolution
Censorship_during_the_Bolivarian_Revolution
Method to block host for e-mail spam
for operation of mail servers to perform a check via a Domain Name System (DNS) query whether a sending host's IP address is blacklisted for email spam
Domain_Name_System_blocklist
TLS extension to serve multiple HTTPS sites
started blocking ESNI traffic, while still allowing ECH traffic. In October 2020, Russian ISP Rostelecom and its mobile operator Tele2 started blocking ESNI
Server_Name_Indication
In computer networking, the Composite Blocking List (CBL) is a DNS-based Blackhole List of suspected E-mail spam sending computer infections. The CBL takes
Composite_Blocking_List
Chinese internet regulations
unsuccessful. Non-proxy circumvention strategies include: Using encrypted DNS may bypass blocking of a few sites including TorProject and all of GitHub, which may
Great_Firewall
Series of protests from 2011 to 2012
Masnick, Mike (January 13, 2012). "Don't Be Fooled: Leahy Is NOT Removing DNS Blocking Provisions, Merely Delaying Them". Techdirt. Archived from the original
Protests against SOPA and PIPA
Protests_against_SOPA_and_PIPA
who attempted to navigate to an unauthorized gambling website. While DNS blocking can be bypassed, according to ICANN it can damage internet security.
Mass_media_in_Romania
Technique for Internet censorship circumvention
circumvention traffic—or block the domain front entirely, which may result in expensive collateral damage and has been likened to "blocking the rest of the Internet"
Domain_fronting
Methods to bypass internet censorship
restrictions. Some methods evade less sophisticated blocking tools by using alternate Domain Name System (DNS) servers, false IP addresses, or address lookup
Internet censorship circumvention
Internet_censorship_circumvention
Web browser content blocking extension
uBlock Origin (/ˈjuːblɒk/ YOO-blok) is a free and open-source browser extension for content filtering, including ad blocking. The extension is available
UBlock_Origin
Overview of gambling in Switzerland
Federal Gazette, and employ DNS blocking. Implementation of the blocking system has faced criticism. The FGB updates its blocking list quarterly while Swiss
Gambling_in_Switzerland
Inter-process communication API
model. Berkeley sockets can operate in one of two modes: blocking or non-blocking. A blocking socket does not return control until it has sent (or received)
Berkeley_sockets
Label to identify a network interface of a computer or other network node
introduction of block 2001:20::/28 the original block was returned to IANA. For reverse DNS lookup, IPv6 addresses were originally registered in the DNS zone ip6
IPv6_address
Virtual private network provider
multiple layers of DNS leak protection, IPv6 leak-protection, and multiple "stealth options" to help bypass government or corporate VPN blocking. Mullvad has
Mullvad
Software that restricts or controls the content an Internet user is capable to access
over blocking to prevent any risk of access to sites that they determine to be undesirable. Content-control software was mentioned as blocking access
Internet_filter
Criteria to control computer access
control location. DNS servers may be well-suited to block domain names, for example, but not URLs. A firewall is well-suited for blocking IP addresses, but
Blacklist_(computing)
Part of a network quietly losing traffic
e-mails. Bit bucket Internet background noise IP blocking Null device Packet drop attack Tarpit (networking) "DNS Blackhole (AS112) Service". www.iana.org. Internet
Black_hole_(networking)
Specification for Domain Name System
Extension Mechanisms for DNS (EDNS) is a specification for expanding the size of several parameters of the Domain Name System (DNS) protocol which had size
Extension_Mechanisms_for_DNS
Secure64: Server app developer in Fort Collins, CO
Authoritative DNS server, Secure64 DNS Authority Caching DNS server, Secure64 DNS Cache DNS Network Management, Secure64 DNS Manager DNSSEC, Secure64 DNS Signer
Secure64_Software
Internet security policy mechanism
DNS Certification Authority Authorization (CAA) is an Internet security policy mechanism for domain name registrants to indicate to certificate authorities
DNS Certification Authority Authorization
DNS_Certification_Authority_Authorization
Configuration file for computer networking
UTF-8. The function dnsResolve (and similar other functions) performs a DNS lookup that can block the browser for a long time if the DNS server does not respond
Proxy_auto-config
Organization targeting email spammers
billions of spam emails a day. Spamhaus distributes the lists in the form of DNS-based blocklists (DNSBLs). The lists are offered as a free public service
The_Spamhaus_Project
2011, GoDaddy introduced a policy of blocking DNS queries from some outside DNS servers, in order to prevent other DNS queries from being too slow. Among
Controversies surrounding GoDaddy
Controversies_surrounding_GoDaddy
List of URLs and image hashes
collateral damage. DNS-based blocking is criticized for blocking all content on a site with the same domain name. Cleanfeed only blocks what is explicitly
Child abuse image content list
Child_abuse_image_content_list
Internet top-level domain
with ICANN, via an alternative DNS root. Another unofficial .xxx TLD was previously available through the alternative DNS root system administered by the
.xxx
EU initiative for a DNS resolver service
System (DNS) resolver service. Launched on June 9, 2025, it aims to enhance EU digital sovereignty by offering an alternative to non-EU DNS resolvers
DNS4EU
Computer malware
a DNS-hijacking trojan horse. The work of an Estonian company known as Rove Digital, the malware infected computers by modifying a computer's DNS entries
DNSChanger
Type of cyber-attack
traffic on port 1900. Blocking specific Time to live (TTL) values based on the network path length can be a viable option for blocking spoofed attacks. An
Denial-of-service_attack
Web archive
November 2025, the DNS provider AdGuard DNS reported that a French organization Web Abuse Association Defense (WAAD) had pressured it to block archive.today
Archive.today
Internet software utility
domain names to defeat IP blocking and DNS hijacking. On the backend, DynaWeb also has mechanisms to proactively monitor the blocking status of each of its
Freegate
Distributed data store for digital transactions
The .bit TLD is not sanctioned by ICANN, instead requiring an alternative DNS root. As of 2015, .bit was used by 28 websites, out of 120,000 registered
Blockchain
the same DNS anomalies for all Wikipedia sub-domains. ... Based on these tests, we were able to conclude that China Telecom does in fact block all language
Censorship_of_Wikipedia
system (DNS) filtering and deep packet inspection (DPI) techniques to ensure compliance with government policies regarding regulation and blocking of access
Internet_censorship_in_India
Web browser developed by Google
browsers, Chrome uses DNS prefetching to speed up website lookups, as do other browsers like Firefox, Safari, Internet Explorer (called DNS Pre-resolution)
Google_Chrome
Internet error message
websites do not make use of them. 404 errors should not be confused with DNS errors, which appear when the given URL refers to a server name that does
HTTP_404
to which a site is 'blocked' or not. In December 2014, the affected ISPs decided to publish more information about the blocking orders they received
List of websites blocked in the United Kingdom
List_of_websites_blocked_in_the_United_Kingdom
Asynchronous event-driven network application framework for Java
Netty is a non-blocking I/O client-server framework for the development of Java network applications such as protocol servers and clients. The asynchronous
Netty_(software)
Internet ecosystem layer that addresses bottlenecks
accurately localize DNS resolution responses. The initiative involves a limited number of leading DNS service providers, such as Google Public DNS, and CDN service
Content_delivery_network
Commercial service for proxied Internet access
proxy server marketed to help users bypass Internet censorship such as geo-blocking and users who want to protect their communications against user profiling
VPN_service
Chromium-based open-source web browser
privacy-focused web browser and includes features such as built-in advertisement blocking, protections against browser fingerprinting and a private browsing mode
Brave_(web_browser)
Restrictions to access on X by governments
election, the Iranian government blocked Twitter due to fear of protests being organized. In September 2013, the blocking of both Twitter and Facebook was
Censorship_of_X
American nonprofit organization
the Internet's global Domain Name System (DNS), including policy development for internationalization of the DNS, introduction of new generic top-level domains
ICANN
Behavior seen in early IPv6 deployments
of DNS whitelisting on a per-ISP basis to prevent this until the World IPv6 Launch. In the DNS whitelisting approach, ISPs are determined from DNS lookup
IPv6 brokenness and DNS whitelisting
IPv6_brokenness_and_DNS_whitelisting
Prior to the blocking of remote gambling sites in 2010 the Internet in Estonia was free of censorship. Early in 2010 Estonia started DNS filtering of
Internet censorship and surveillance in Europe
Internet_censorship_and_surveillance_in_Europe
Type of cyber attack
global Domain Name System, and thus all Internet services that use the global DNS, rather than just specific websites. However, in practice, the root nameserver
Distributed denial-of-service attacks on root nameservers
Distributed_denial-of-service_attacks_on_root_nameservers
The file size is about 5120 bytes. The file is being dropped by an DNS blocking installer or additional installers bundled with DNSblockers. xul.dll
Trojan.Win32.FireHooker
Type of email server
necessary DNS lookups and redeliver the mail. UCBVAX was, in that sense, dubbed a "smarthost" for your site, in the sense that it's smarter about DNS and mail
Smart_host
Ministry of Security and Justice (Dutch) "Progress blocking child pornography", Working group for blocking child pornography, 18 November 2010 (Dutch) "Dutch
Internet_in_the_Netherlands
Version 6 of the Internet Protocol
dual-stack host queries a DNS server to resolve a fully qualified domain name (FQDN), the DNS client of the host sends two DNS requests, one querying AAAA
IPv6
Reserved internet domain
domain in the Domain Name System (DNS) of the Internet. In 1999, the Internet Engineering Task Force reserved the DNS labels example, invalid, localhost
.example
Data item stored in a browser by a website
anti-tracking tech with full third-party cookie blocking". The Verge. Retrieved 24 July 2020. "Firefox starts blocking third-party cookies by default". VentureBeat
HTTP_cookie
JavaScript runtime environment
Inherently non-blocking system functions such as networking translate to kernel-side non-blocking sockets, while inherently blocking system functions
Node.js
along with some other Google services. DNS blocking is employed to generate the disruptions. The longest block of YouTube to date started during an Assembly
Censorship and media control during the Venezuelan presidential crisis
Censorship_and_media_control_during_the_Venezuelan_presidential_crisis
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