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Auto-blocked IP addresses are not listed here, but can be found at Special:AutoblockList. See Special:BlockList for the full list of currently operational blocks. See Wikipedia:Blocking policy for further details. You may enter the name of the blocking/unblocking administrator and/or the user or IP who was blocked/unblocked.
The CBL takes its source data from very large spamtraps/mail infrastructures, and only lists IPs exhibiting characteristics such as: . Open proxies of various sorts (HTTP, socks, AnalogX, wingate etc.)
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.
Instead of returning the valid IP address of a requested site (for example, instead of 198.35.26.96 being returned by the DNS when "www.wikipedia.org" is entered into a browser, [2] if this IP were on a block list, the DNS might reply that the domain is unknown or with a different IP address that directs to a site with a page stating that the ...
wiki.451unavailable.org.uk – The repository for UK court orders requiring domains, IP addresses and URLs to be blocked by Internet service providers. ukispcourtorders.co.uk – another list maintained by British Telecommunications PLC
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DNS poisoning is one way in which websites can be blocked. Others are IP blocking and keyword filtering. China Firewall Test - Test your website from real browsers in China. You can review performance reports and waterfall charts for further analysis and element-by-element performance detail from multiple locations.
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 ...