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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.
Blacklisting is the action of a group or authority compiling a blacklist of people, countries or other entities to be avoided or distrusted as being deemed unacceptable to those making the list; if people are on a blacklist, then they are considered to have done something wrong, or they are considered to be untrustworthy.
A whitelist or allowlist is a list or register of entities that are being provided a particular privilege, service, mobility, access or recognition. Entities on the list will be accepted, approved and/or recognized. Whitelisting is the reverse of blacklisting, the practice of identifying entities that are denied, unrecognized, or ostracized.
Whereas whitelisting allows nothing to run unless it is on the whitelist, blacklisting allows everything to run unless it is on the black. A blacklist then includes certain types of software that are not allowed to run in the company environment. For example, a company might blacklist peer-to-peer file sharing on its systems. In addition to ...
In data sanitization, HTML sanitization is the process of examining an HTML document and producing a new HTML document that preserves only whatever tags and attributes are designated "safe" and desired.
Pages in category "Blacklisting" ... Whitelisting This page was last ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
Requests to whitelist the root of a domain itself (even while technically possible [1]) will generally not be honoured, as it would negate the blacklisting and would allow abuse of the homepage (which is sometimes one of the reasons the whole site was blacklisted in the first place). [2]
This is better as a 'maintenance' tag on the mainpage - it is an issue that needs to be resolved for the page by whitelisting (or de-blacklisting) of the links that are caught by the blacklist. Having (rightfully or wrongfully) blacklisted links on a page is generally not a problem, up to the point that when the link gets removed by a vandal, a ...