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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. Content-control software determines what content will be available or be blocked.
Hyphanet is a peer-to-peer platform for censorship-resistant, anonymous communication. It uses a decentralized distributed data store to keep and deliver information, and has a suite of free software for publishing and communicating on the Web without fear of censorship. Both Freenet and some of its associated tools were originally designed by Ian Clarke, who defined Freenet's goal as providing freedom of speech on the Internet with strong anonymity protection.
In cryptography, a web of trust is a concept used in PGP, GnuPG, and other OpenPGP-compatible systems to establish the authenticity of the binding between a public key and its owner. Its decentralized trust model is an alternative to the centralized trust model of a public key infrastructure (PKI), which relies exclusively on a certificate authority. As with computer networks, there are many independent webs of trust, and any user can be a part of, and a link between, multiple webs.
An anonymous P2P communication system is a peer-to-peer distributed application in which the nodes, which are used to share resources, or participants are anonymous or pseudonymous. Anonymity of participants is usually achieved by special routing overlay networks that hide the physical location of each node from other participants.
Internet censorship in Australia is enforced by both the country's criminal law as well as voluntarily enacted by internet service providers. The Australian Communications and Media Authority (ACMA) has the power to enforce content restrictions on Internet content hosted within Australia, and maintain a blocklist of overseas websites which is then provided for use in filtering software. The restrictions focus primarily on child pornography, sexual violence, and other illegal activities, compiled as a result of a consumer complaints process.
A dark net or darknet is an overlay network within the Internet that can only be accessed with specific software, configurations, or authorization, and often uses a unique customized communication protocol. Two typical darknet types are social networks, and anonymity proxy networks such as Tor via an anonymized series of connections.
The LOCKSS project, under the auspices of Stanford University, is a peer-to-peer network that develops and supports an open source system allowing libraries to collect, preserve and provide their readers with access to material published on the Web. Its main goal is digital preservation.
Active Directory Rights Management Services is a server software for information rights management shipped with Windows Server. It uses encryption and a form of selective functionality denial for limiting access to documents such as corporate e-mails, Microsoft Word documents, and web pages, and the operations authorized users can perform on them. Companies can use this technology to encrypt information stored in such document formats, and through policies embedded in the documents, prevent the protected content from being decrypted except by specified people or groups, in certain environments, under certain conditions, and for certain periods of time. Specific operations like printing, copying, editing, forwarding, and deleting can be allowed or disallowed by content authors for individual pieces of content, and RMS administrators can deploy RMS templates that group these rights together into predefined rights that can be applied en masse.
As with many Soviet-allied countries prior to the fall of the Berlin Wall, the government of the former German Democratic Republic applied censorship during its existence from 1949 to 1990. The censorship was practised through a hierarchical but unofficial censorship apparatus, ultimately controlled by the ruling party (SED). Through censorship, the socialist point of view on society was ensured in all forms of literature, arts, culture and public communication. Due to the lack of an official censorship apparatus, censorship was applied locally in a highly structured and institutionalized manner under the control of the SED.
Film censorship is carried out by various countries to differing degrees, sometimes as a result of powerful or relentless lobbying by organizations or individuals. Films that are banned in a particular country change over time.
Psiphon is a free and open-source Internet censorship circumvention tool that uses a combination of secure communication and obfuscation technologies, such as a VPN, SSH, and a Web proxy. Psiphon is a centrally managed and geographically diverse network of thousands of proxy servers, using a performance-oriented, single- and multi-hop routing architecture.
Germany has taken many forms throughout the history of censorship in the country. Various regimes have restricted the press, cinema, literature, and other entertainment venues. In contemporary Germany, the Grundgesetz generally guarantees freedom of press, speech, and opinion.
The following outline is provided as an overview of and topical guide to the Internet.
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 behaviour 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.
Corporate censorship is censorship by corporations. It is when a spokesperson, employer, or business associate sanctions a speaker's speech by threat of monetary loss, employment loss, or loss of access to the marketplace. It is present in many different kinds of industries.
The Federal Service for Supervision of Communications, Information Technology and Mass Media, abbreviated as Roskomnadzor (RKN), is the Russian federal executive agency responsible for monitoring, controlling and censoring Russian mass media. Its areas of responsibility include electronic media, mass communications, information technology and telecommunications, supervising compliance with the law, protecting the confidentiality of personal data being processed, and organizing the work of the radio-frequency service.
The Internet Watch Foundation (IWF) is a global registered charity based in Cambridge, England. It states that its remit is "to minimise the availability of online sexual abuse content, specifically child sexual abuse images and videos hosted anywhere in the world and non-photographic child sexual abuse images hosted in the UK." Content inciting racial hatred was removed from the IWF's remit after a police website was set up for the purpose in April 2011. The IWF used to also take reports of criminally obscene adult content hosted in the UK. This was removed from the IWF's remit in 2017. As part of its function, the IWF says that it will "supply partners with an accurate and current URL list to enable blocking of child sexual abuse content". It has "an excellent and responsive national Hotline reporting service" for receiving reports from the public. In addition to receiving referrals from the public, its agents also proactively search the open web and deep web to identify child sexual abuse images and videos. It can then ask service providers to take down the websites containing the images or to block them if they fall outside UK jurisdiction.
Internet censorship circumvention, also referred to as going over the wall or scientific browsing in China, is the use of various methods and tools to bypass internet censorship.
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.
Domain fronting is a technique for Internet censorship circumvention that uses different domain names in different communication layers of an HTTPS connection to discreetly connect to a different target domain than is discernable to third parties monitoring the requests and connections.
References
- 1 2 Waldman, Marc; Rubin, Aviel D.; Cranor, Lorrie Faith. "Publius Censorship Resistant Publishing System" . Retrieved 26 November 2019.
- ↑ Waldman, Marc; Rubin, Aviel D.; Cranor, Lorrie Faith (2000). Publius: A robust, tamper-evident, censorship-resistant, web publishing system. 9th USENIX Security Symposium. Session Chair: Ian Goldberg.
- 1 2 "New software promotes online anonymity". 2000-08-15. Archived from the original on 2000-08-15. Retrieved 2021-04-18.
- 1 2 "Peer-to-Peer - We've Only Just Begun". 2001-12-17. Archived from the original on 2001-12-17. Retrieved 2021-04-18.
- 1 2 Sorid, Daniel (26 July 2000). "Divided Data Can Elude the Censor". New York Times. Retrieved 26 November 2019.
- ↑ Akin, David (4 July 2000). "Censor-resistant Web system raises thorny questions: Online publishing: Publius system may lead to anonymous Web content". National Post.
- ↑ Gibbs, W. Wayt (October 2000). "Speech without Accountability". Scientific American. London: Springer Nature.