Overlocking

from Wikipedia, the free encyclopedia

Overblocking (also known as overtargeting, overcensoring) refers to the technical prevention of a process based on rules that ignore exceptions and special cases. Overblocking occurs e.g. B. also with IP blocking, content filtering in the area of ​​copyright and youth protection filters. Underblocking, on the other hand, describes the opposite: actually targeted content is not filtered by the software in the case of underblocking.

The use z. B. an incorrectly or too sensitive set filter, outdated databases, software for similarity recognition can lead to incorrect identification, marking and prevention or censorship. Material that would have been acceptable according to the technically understood rules is unintentionally filtered out.

Overblocking by state investigative authorities ( public prosecutor , police , secret services ) is the massive blocking of several IP addresses or the blocking of an entire IP block by blocking the respective DNS server . In addition, this can serve to maintain press censorship , for example in China ( Golden Shield project ), Iran and other totalitarian regimes .

Overblocking is also used to describe the incorrectly filtering of non-harmful content in youth protection software, for example by combining several filters.

Web links

Individual evidence

  1. Christoph H. Hochstätter: Censorship Act passed : End for the free Internet? In: ZDNet.de. June 18, 2009, accessed December 30, 2018 (page 2 of 6).
  2. Overlocking. In: blinde-kuh.de. Retrieved January 2, 2018 .