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Requests the direct IP address of the user with the specified nickname. This command is often used to obtain the IP of an abusive user to more effectively perform a ban. It is unclear what, if any, privileges are required to execute this command on a server. This command is not formally defined by an RFC, but is in use by some IRC daemons.
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.
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. [1] [2] The IP ...
Special address blocks Address block (CIDR) First address Last address Number of addresses Usage Purpose ::/128 :: :: 1 Software Unspecified address
Apply block to logged-in users from this IP address will disallow all non IP-block exempt user accounts from editing from the IP address or range during the duration of the block. If the ability to create accounts or send email to other users is also disallowed, these functions will also be disallowed for any non-exempt user accounts who are ...
An autoblock is an automatic block of an IP address.Autoblocks are the result of an attempt to edit Wikipedia from an IP address recently used by a blocked user. Each time a user edits Wikipedia, the IP address from which the edit was made is logged (this log is accessible only by a very small number of trusted users, called checkusers).
On Tuesday, Russia's communications regulator blocked Discord for violating Russian law, after previously fining the company for failing to remove banned content, the TASS news agency reported.
Blocks of governmental IP ranges: If you block any IP in the ranges listed above under the "Sensitive IP addresses" table, you must notify the Wikimedia Foundation Communications Committee immediately (see contact instructions there). These ranges are allocated to major governmental organizations; blocks of these organizations have political ...