Lesson plan

Super-server

(port 22), identd (port 113), ftpd (port 21) and httpd (port 80) A super-server, sometimes called a service dispatcher, is a type of daemon run generally on Unix-like systems.

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Article summary

(port 22), identd (port 113), ftpd (port 21) and httpd (port 80) A super-server, sometimes called a service dispatcher, is a type of daemon run generally on Unix-like systems.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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