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Under the Covers with the Web

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Trevor Lohrbeer
Trevor Lohrbeer

Walks through the basics of the HTTP protocol, URLs, cookies and caching, with tricks and tips that can be used by web developers. From a Geek.class I did on Oct 6, 2011 for Meet the Geeks.

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Under the Covers with the Web by Trevor Lohrbeer @LabEscape [email_address] labescape.com @FastFedora [email_address] fastfedora.com
Simple Request Walkthrough ,[object Object],[object Object],[object Object],[object Object]
Making the Request ,[object Object],[object Object],[object Object],[object Object]
URL: Uniform Resource Locators ,[object Object],[object Object],[object Object],[object Object],[object Object]
URL Format ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Parsing an HTTP URL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Protocols ,[object Object],[object Object],[object Object],[object Object]
Hosts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Paths ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Queries ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fragments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Resolve Domain to IP address ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Open TCP/IP Connection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The HTTP Protocol ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Debugging HTTP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
HTTP Request Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Common Request Headers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basic GET Request ,[object Object],[object Object]
Typical GET Request ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basic Request Notes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Typical POST Request ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
XML POST Request ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
More Request Notes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Server Processes Request ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Create Request & Response Objects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],ASP.Net Request .Params .ServerVariables .QueryString .Form .Cookies .Files .Headers .BinaryRead() Application Session Response J2EE HttpServletRequest .getParameterMap() .getQueryString() .getCookies() .getSession() .getHeaderNames() .getInputStream() HttpServletResponse
Common Response Headers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sample Response ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cookies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cookie Attributes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cookie Issues ,[object Object],[object Object],[object Object],[object Object],[object Object]
Disable HttpOnly for Session Cookies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Caching ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Routing: A Straight Connection
Routing: Web Proxy
Routing: Web Proxy Revalidates
Routing: Reverse Proxy
Basics of Caching ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Should I Cache? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How long to cache for? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Revalidating Caches ,[object Object],[object Object],[object Object],[object Object],[object Object]
Other Tricks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Thanks for attending! Slides: blog.fastfedora.com Trevor Lohrbeer @LabEscape [email_address] labescape.com @FastFedora [email_address] fastfedora.com

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Under the Covers with the Web

Notas do Editor

  1. Comic: How a Web Browser Works http://www.labnol.org/internet/comic-how-browser-works/18086/
  2. RFC 3986: Uniform Resource Identifier (URI): Generic Syntax – Current Standard http://tools.ietf.org/html/rfc3986 RFC 1738: Uniform Resource Locators http://tools.ietf.org/html/rfc1738 RFC 1630: Universal Resource Identifiers in WWW http://tools.ietf.org/html/rfc1630
  3. Maximum URL Lengths http://www.boutell.com/newfaq/misc/urllength.html
  4. Wikipedia: SPDY Protocol http://en.wikipedia.org/wiki/SPDY SPDY: An experimental protocol for a faster web http://dev.chromium.org/spdy/spdy-whitepaper
  5. Wikipedia: Domain Name System http://en.wikipedia.org/wiki/Domain_Name_System
  6. Wikipedia: Transmission Control Protocol (TCP) http://en.wikipedia.org/wiki/Transmission_Control_Protocol
  7. RFC 2616: Hypertext Transfer Protocol -- HTTP/1.1 http://tools.ietf.org/html/rfc2616 RFC 1945: Hypertext Transfer Protocol -- HTTP/1.0 http://tools.ietf.org/html/rfc1945
  8. PHP Charset FAQ http://kore-nordmann.de/blog/php_charset_encoding_FAQ.html PHP: Character Sets / Character Encoding Issues http://www.phpwact.org/php/i18n/charsets RFC 6265: HTTP State Management Mechanism http://tools.ietf.org/html/rfc6265
  9. How To Optimize Your Site With GZIP Compression http://betterexplained.com/articles/how-to-optimize-your-site-with-gzip-compression/
  10. Request Processing in Apache http://www.apachetutor.org/dev/request
  11. PHP Equivalents for ASP Objects http://phplens.com/phpeverywhere/node/view/32
  12. RFC 6265: HTTP State Management Mechanism http://tools.ietf.org/html/rfc6265
  13. Caching Tutorial http://www.mnot.net/cache_docs/
  14. Caching Tutorial http://www.mnot.net/cache_docs/