December 2001
Intermediate to advanced
656 pages
27h 19m
English
Content preview from Networking Explained, 2nd Edition
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96 Networking Explained, Second Edition
48. I’ve seen some of these codes before. For example, I sometimes see 404.
Ah. The old “dead link” response. Yes. This is always returned whenever the specified
resource that is being requested cannot be located. It is the default status code when the
server does not want to reveal why a particular request was refused or when no other
response is available.
49. In all of this discussion about HTTP thus far, you never mentioned URL but instead
use the term “resource.” Why is this?
When used in the context of the Web, a resource generically refers to any Internet-acces-
sible object. Examples include text files, ...
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