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Nginx HTTP Server

Cover of Nginx HTTP Server by Clement Nedelcu Published by Packt Publishing
  1. Nginx HTTP Server
    1. Nginx HTTP Server
    2. Credits
    3. About the Author
    4. About the Reviewers
    5. Preface
      1. What this book covers
      2. What you need for this book
      3. Who this book is for
      4. Conventions
      5. Reader feedback
      6. Customer support
    6. 1. Preparing your Work Environment
      1. Setting up a terminal emulator
      2. Basic shell commands
      3. Discovering the Linux filesystem
      4. System administration tools
      5. Summary
    7. 2. Downloading and Installing Nginx
      1. Setting up the prerequisites
      2. Downloading Nginx
      3. Configure options
      4. Controlling the Nginx service
      5. Adding Nginx as a system service
      6. Summary
    8. 3. Basic Nginx Configuration
      1. Configuration file syntax
      2. Base module directives
      3. A configuration for your profile
      4. Testing your server
      5. Summary
    9. 4. HTTP Configuration
      1. HTTP Core module
      2. Module directives
      3. Module variables
      4. The Location block
      5. Summary
    10. 5. Module Configuration
      1. Rewrite module
      2. SSI module
      3. Additional modules
      4. Summary
    11. 6. PHP and Python with Nginx
      1. Introduction to FastCGI
      2. PHP with Nginx
      3. Python and Nginx
      4. Summary
    12. 7. Apache and Nginx Together
      1. Nginx as reverse proxy
      2. Nginx Proxy module
      3. Configuring Apache and Nginx
      4. Additional steps
      5. Summary
    13. 8. From Apache to Nginx
      1. Nginx versus Apache
      2. Porting your Apache configuration
      3. Rewrite rules
      4. Summary
    14. A. Directive Index
    15. B. Module Reference
      1. Access
      2. Addition*
      3. Auth_basic module
      4. Autoindex
      5. Browser
      6. Charset
      7. Core
      8. DAV*
      9. Empty GIF
      10. Events
      11. FastCGI
      12. FLV*
      13. Geo
      14. Geo IP*
      15. Google-perftools*
      16. Gzip
      17. Gzip Static*
      18. Headers
      19. HTTP Core
      20. Image Filter*
      21. Index
      22. Limit Requests
      23. Limit Zone
      24. Log
      25. Map
      26. Memcached
      27. Proxy
      28. Random index*
      29. Real IP*
      30. Referer
      31. Rewrite
      32. Secure Link*
      33. SSI
      34. SSL*
      35. Stub status*
      36. Substitution*
      37. Upstream
      38. User ID
      39. XSLT*
    16. C. Troubleshooting
      1. General tips on troubleshooting
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Module variables

The HTTP Core module introduces a large set of variables that you can use within the value of directives. Be careful though, as only a handful of directives accept variables in the definition of their value. If you insert a variable in the value of a directive that does not accept variables, no error is reported; instead the variable name appears as raw text.

There are three different kinds of variables that you will come across. The first set represents the values transmitted in the headers of the client request. The second set corresponds to the headers of the response sent to the client, and finally, the third set comprises variables that are completely generated by Nginx.

Request headers

Nginx lets you access the client request ...

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