An Internet filter is software that restricts or controls the content an Internet user is capable to access, especially when utilized to restrict material delivered over the Internet via the Web, Email, or other means. Such restrictions can be applied at various levels: a government can attempt to apply them nationwide, or they can, for example, be applied by an Internet service provider to its clients, by an employer to its personnel, by a school to its students, by a library to its visitors, by a parent to a child's computer, or by an individual user to their own computers. The motive is often to prevent access to content which the computer's owner(s) or other authorities may consider objectionable. When imposed without the consent of the user, content control can be characterised as a form of internet censorship. Some filter software includes time control functions that empowers parents to set the amount of time that child may spend accessing the Internet or playing games or other computer activities.
In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource. It improves privacy, security, and possibly performance in the process.
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 may be done using browser extensions or other methods.
Parental controls are features which may be included in digital television services, computers and video games, mobile devices and software that allow parents to restrict the access of content to their children. These controls were created to assist parents in their ability to restrict certain content viewable by their children. This may be content they deem inappropriate for their age, maturity level or feel is aimed more at an adult audience. Parental controls fall into roughly four categories: content filters, which limit access to age inappropriate content; usage controls, which constrain the usage of these devices such as placing time-limits on usage or forbidding certain types of usage; computer usage management tools, which enforces the use of certain software; and monitoring, which can track location and activity when using the devices.
The Children's Internet Protection Act (CIPA) is one of a number of bills that the United States Congress proposed to limit children's exposure to pornography and explicit content online.
E-Rate is the commonly used name for the Schools and Libraries Program of the Universal Service Fund, which is administered by the Universal Service Administrative Company (USAC) under the direction of the Federal Communications Commission (FCC). The program provides discounts to assist schools and libraries in the United States to obtain affordable telecommunications and internet access. It is one of four support programs funded through a universal service fee charged to companies that provide interstate and/or international telecommunications services.
Ashcroft v. American Civil Liberties Union, 535 U.S. 564 (2002), followed by 542 U.S. 656 (2004), was a decision of the United States Supreme Court, ruling that the Child Online Protection Act (COPA) was unconstitutional as a violation of the First Amendment's guarantee of freedom of speech.
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. The OpenDNS Global Network processes an estimated 100 billion DNS queries daily from 85 million users through 25 data centers worldwide.
Internet censorship is the legal control or suppression of what can be accessed, published, or viewed on the Internet. Censorship is most often applied to specific internet domains but exceptionally may extend to all Internet resources located outside the jurisdiction of the censoring state. Internet censorship may also put restrictions on what information can be made internet accessible. Organizations providing internet access – such as schools and libraries – may choose to preclude access to material that they consider undesirable, offensive, age-inappropriate or even illegal, and regard this as ethical behavior rather than censorship. Individuals and organizations may engage in self-censorship of material they publish, for moral, religious, or business reasons, to conform to societal norms, political views, due to intimidation, or out of fear of legal or other consequences.
Internet censorship in the United States is the suppression of information published or viewed on the Internet in the United States. The First Amendment of the United States Constitution protects freedom of speech and expression against federal, state, and local government censorship.
On the Internet, a block or ban is a technical measure intended to restrict access to information or resources. Blocking and its inverse, unblocking, may be implemented by the owners of computers using software.
United States v. American Library Association, 539 U.S. 194 (2003), was a decision in which the United States Supreme Court ruled that the United States Congress has the authority to require public schools and libraries receiving E-Rate discounts to install web filtering software as a condition of receiving federal funding. In a plurality opinion, the Supreme Court ruled that public school and library usage of Internet filtering software does not violate their patrons' First Amendment free speech rights and that the Children's Internet Protection Act is not unconstitutional.
Mobicip is a cloud-based Internet filter and parental control service that works on all major platforms of mobile Internet devices. Mobicip is supported on various types of devices used by families such as the iPhone, iPod Touch, iPad, Android, Windows, macOS and Chromebook. Mobicip was launched in 2008. Mobicip used to be a safe browser app but is now a VPN on iOS & Android that filters any browser. Mobicip is a parental control application that protects internet, regulates screentime, allows/blocks apps and tracks location as well, while allowing parents to customize the configuration and view activity reports. Using the web-based or mobile applications, parents can customize the filter to set up whitelists and blacklists, block categories of websites, and manage users and devices. In addition, the application lets parents monitor the Internet activity on the device, group the activity by user, by allowed or blocked websites, sort by time etc.
Internet censorship circumvention is the use of various methods and tools to bypass internet censorship.
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.
The precise number of websites blocked in the United Kingdom is unknown. Blocking techniques vary from one Internet service provider (ISP) to another with some sites or specific URLs blocked by some ISPs and not others. Websites and services are blocked using a combination of data feeds from private content-control technology companies, government agencies, NGOs, court orders in conjunction with the service administrators who may or may not have the power to unblock, additionally block, appeal or recategorise blocked content.
The child abuse image content list is a list of URLs and image hashes provided by the Internet Watch Foundation to its partners to enable the blocking of child pornography & criminally obscene adult content in the UK and by major international technology companies.
UserGate Web Filter performs Internet filtering for large and medium business, educational institutions, Internet providers, and public Wi-Fi access points. The solution works as content-control software and combines several filtering methods providing compliance with government regulations such as the Children's Internet Protection Act (CIPA). UserGate Web Filter operates as an ICAP-server receiving filtering requests from any proxy server or network gateway. The product provides DNS-filtering and content filtering based on Deep Content Inspection approach.
SafeDNS is a cybersecurity company specializing in providing cloud-based web filtering solutions and AI-powered technology. Its headquarters is in Alexandria, Virginia.
CleanBrowsing is a free public DNS resolver with content filtering, founded by Daniel B. Cid and Tony Perez. It supports DNS TLS over port 853 and DNS over HTTP over port 443 in addition to the standard DNS over port 53. CleanBrowsing filters can be used by parents to protect their children from adult and inappropriate content online.
