The Apache HTTP Server is the most widely used web server software. It is an open source community-supported project and while comprehensive support is available widely, the software also has some faults. Some of the issues are an Apache server are practical and many are technical. Apache employs efficient error logging to help recognizing and troubleshooting most technical problems.

Selective Behavior

1. After making global settings for Apache server, find some folders or services to work differently. This can be done from the extra directory sections to main configuration file or by adding separate HTACCESS files to all folders.

Administrators willing to use the HTACCESS method face certain possible and unwanted issues. From a practical standpoint, the tracking and maintaining of multiple separate HTACCESS files can be impossible. From a technical standpoint, the performance of the server can be affected due to the requirement to verify all directory for the availability of HTACCESS files.

Error Logging

2. The error logging methods are normally effective at providing thorough information for any errors faced while initialization and operating of server. With a default installation, the error log is termed "error_log" and can be found in Root/Logs directory. There are 8 levels of warnings the error log is able of finding and documenting. By default, only the 5 most serious classes of these warnings are appended to the error log. Changing server to employ more thorough logging habits can help catch errors that would not be found otherwise.

Modules and Extensions

3. Each module and extension added to Apache server has its own set of needs and changes must be made to server's configuration before they function properly. This may involve taking out commented lines or adding new lines to configuration file, installing supporting modules or using a specific version of Apache. The particular needs can be found in every module's supporting documentation.

Invalid Configuration

4. The configuration file for a fully configured Apache web server with particularly defined folders and multiple extensions can become threatening in length. Using wrong syntax or misspelling a word or definition in a one line of the configuration can avoid server from functioning correctly. The Configtest equipment available with Apache can help recognize and resolve most of these problems.

Support Structure

5. There are a various resources online providing different levels of support. Few are professional ventures while others are community driven, using forums and distribute information. Finding resources that provide the level of support required as an administrator can be challenging and time consuming.