The HTTP protocol defines several error messages which can be returned by a server in response to a client request. Some webmasters have tuned their servers to generate special error messages under specific conditions. The French car manufacturer Peugeot has gone one step further by returning an image of their historial Peugeot 404 car when you request an invalid URL such as https://www.peugeot.fr/cnp3…

This blog post was written to inform the readers of Computer Networking : Principles, Protocols and Practice about the evolution of the field. You can subscribe to the Atom feed for this blog at https://obonaventure.github.io/cnp3blog/feed.xml. These notes are also posted on the ebook’s Facebook pages