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First logo used from 2010 to 2017. The 2b2t Minecraft server was founded in December 2010; it has run consistently without a reset since then. [6] [1] The founders are anonymous, [7] choosing to remain unknown or known only via usernames; the most prominent founder is commonly referred to as "Hausemaster".
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.
Some large / 8 blocks of IPv4 addresses, the former Class A network blocks, are assigned in whole to single organizations or related groups of organizations, either by the Internet Corporation for Assigned Names and Numbers (ICANN), through the Internet Assigned Numbers Authority (IANA), or a regional Internet registry.
DNS blocking can be applied to individual servers/IP address, or entire blocks of IP addresses for multiple reasons. Some public DNS Resolvers, like Quad9 and CleanBrowsing, offer filters as part of their DNS. Quad9, for example, blocks access to known phishing and malicious domains.
However, IP addresses should almost never be indefinitely blocked. Many IP addresses are dynamically assigned and change frequently from one person to the next, and even static IP addresses are periodically reassigned or have different users. In cases of long-term vandalism from an IP address, consider blocks over a period of months or years ...
Screenshot of a website blocking the creation of content which matches a regular expression term on its blacklist. In computing, a blacklist, disallowlist, blocklist, or denylist is a basic access control mechanism that allows through all elements (email addresses, users, passwords, URLs, IP addresses, domain names, file hashes, etc.), except those explicitly mentioned.
IP addresses in the bogon space may cease to be bogons because IANA frequently assigns new address. Announcements of new assignments are often published on network operators' mailing lists (such as NANOG) to ensure that bogon filtering can be removed for addresses that have become legitimate.
Occasionally, a user will edit Wikipedia using the same IP address as another user who then becomes blocked. As a result, the first user will be shown a block message describing the other user's activity. If you receive a block notice about actions that you were not involved with, don't worry; stay calm.