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A web application firewall (WAF) is a specific form of application firewall that filters, monitors, and blocks HTTP traffic to and from a web service.By inspecting HTTP traffic, it can prevent attacks exploiting a web application's known vulnerabilities, such as SQL injection, cross-site scripting (XSS), file inclusion, and improper system configuration. [1]
Free and open-source software portal; ModSecurity, sometimes called Modsec, is an open-source web application firewall (WAF). Originally designed as a module for the Apache HTTP Server, it has evolved to provide an array of Hypertext Transfer Protocol request and response filtering capabilities along with other security features across a number of different platforms including Apache HTTP ...
A combination of a filter and an action is known as a "jail" and is what causes a malicious host to be blocked from accessing specified network services. [2] As well as the examples that are distributed with the software, a "jail" may be created for any network-facing process that creates a log file of access. [10]
Selective censorship or surveillance: Countries included in this classification were found to practice selective Internet censorship and surveillance. This includes countries where a small number of specific sites are blocked or censorship targets a small number of categories or issues. A country is included in the "selective" category when it:
The organization classifies a country as an enemy of the internet because "all of these countries mark themselves out not just for their capacity to censor news and information online but also for their almost systematic repression of Internet users." [19] In 2007 a second list of countries "Under Surveillance" (originally "Under Watch") was added.
Initially, the government blocked social media and then the internet entirely prior to the general elections. Later on, internet was reinstated in the nation and some social media apps shortly after. However, Facebook remained blocked in the country. "We have released elements of social media — Twitter, Instagram, Whatsapp — because we ...
However, it came to news when the country decided to block the encrypted messaging app Signal as announced by the application's developer. [ 29 ] In April 2017, all VoIP applications including FaceTime , Facebook Messenger , Viber , WhatsApp calls and Skype have been all blocked in the country.
VPN blocking is a technique used to block the encrypted protocol tunneling communications methods used by virtual private network (VPN) systems. Often used by large organizations such as national governments or corporations, it can act as a tool for computer security or Internet censorship by preventing the use of VPNs to bypass network ...