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For example, the English Wikipedia is available at Main Page, and there is also a mobile-formatted version at Wikipedia, the free encyclopedia. If DNS resolution is disrupted but the site is not blocked in other ways, it may be possible to access a site directly through its IP address or modifying the host file .
Unix-like operating systems commonly implement IP address blocking using a TCP wrapper, configured by host access control files /etc/hosts.deny and /etc/hosts.allow.. Both companies and schools offering remote user access use Linux programs such as DenyHosts or Fail2ban for protection from unauthorized access while allowing permitted remote access.
Rooting [1] is the process by which users of Android devices can attain privileged control (known as root access) over various subsystems of the device, usually smartphones and tablets. Because Android is based on a modified version of the Linux kernel , rooting an Android device gives similar access to administrative ( superuser ) permissions ...
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 ...
Portable jammers are phone-sized and low-powered devices. They can block data delivery at a distance up to 15 meters without barriers. Stationary jammers are more expensive and powerful. They usually have a larger jamming radius and wider frequency band. Strong jammers can require additional cooling as they can overheat.
In a geo-blocking scheme, the user's location is determined using Internet geolocation techniques, such as checking the user's IP address against a blacklist or whitelist, GPS queries in the case of a mobile device, accounts, and measuring the end-to-end delay of a network connection to estimate the physical location of the user.
Like for DNS filtering, this method is keyword-based. Encrypting the Server Name Indication (Encrypted Client Hello or ECH) can be used to bypass this method of filtering. It is currently in development by the IETF, [50] and is enabled by default for supported websites in Firefox and Chromium (Google Chrome, Microsoft Edge, Samsung Internet ...
In addition, there is another way to connect called WPS Pin that is used by some devices to connect to the wireless network. [1] Wi-Fi Protected Setup allows the owner of Wi-Fi privileges to block other users from using their household Wi-Fi. The owner can also allow people to use Wi-Fi. This can be changed by pressing the WPS button on the ...