Apache HTTP Server Version 1.3

Module mod_speling

This module is contained in the mod_speling.c file, and is not compiled in by default. It attempts to correct misspellings of URLs that users might have entered, by ignoring capitalization and by allowing up to one misspelling.
This catches the majority of misspelled requests. An automatic "spelling corrected" redirection is returned if only one matching document was found, and a list of matches is returned if more than one document with a sufficiently similar name is found.


Requests to documents sometimes cannot be served by the core apache server because the request was misspelled or miscapitalized. This module addresses this problem by trying to find a matching document, even after all other modules gave up. It does its work by comparing each document name in the requested directory against the requested document name without regard to case, and allowing up to one misspelling (character insertion / omission / transposition or wrong character). A list is built with all document names which were matched using this strategy.

If, after scanning the directory,


  • CheckSpelling

  • CheckSpelling

    Syntax: CheckSpelling on/off
    Default: CheckSpelling Off
    Context: server config, virtual host, directory, .htaccess
    Override: Options
    Status: Base
    Module: mod_speling
    Compatibility: CheckSpelling was available as a separately available module for Apache 1.1, but was limited to miscapitalizations. As of Apache 1.3, it is part of the Apache distribution. Prior to Apache 1.3.2, the CheckSpelling directive was only available in the "server" and "virtual host" contexts.

    This directive enables or disables the spelling module. When enabled, keep in mind that

    Apache HTTP Server Version 1.3

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