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HTTP Developer’s Handbook
book

HTTP Developer’s Handbook

by Chris Shiflett
March 2003
Intermediate to advanced
312 pages
7h 12m
English
Sams
Content preview from HTTP Developer’s Handbook

Trailer

The Trailer header allows a method that the Web server or Web client can use in HTTP messages to include some HTTP headers after the content. Recall that an HTTP message is constructed as follows:

  • Request line (HTTP requests)/Status line (HTTP responses)

  • HTTP headers

  • Content

The use of the Trailer header allows for the following format to be used:

  • Request line (HTTP requests)/Status line (HTTP responses)

  • HTTP headers

  • Content

  • HTTP headers

This allocation is only allowed when a chunked transfer encoding is used, as is specified with the use of the following general header:

Transfer-Encoding: chunked 

The headers that are included after the content must be specified by name in the Trailer header. The following example shows an HTTP response ...

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Publisher Resources

ISBN: 0672324547Purchase book