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Expansion modules must be fully reviewed, tested, and signed before they can exist on a production Apache web server.


Finding ID Version Rule ID IA Controls Severity
V-214238 AS24-U1-000230 SV-214238r879584_rule Medium
In the case of a production web server, areas for content development and testing will not exist, as this type of content is only permissible on a development website. The process of developing on a functional production website entails a degree of trial and error and repeated testing. This process is often accomplished in an environment where debugging, sequencing, and formatting of content are the main goals. The opportunity for a malicious user to obtain files that reveal business logic and logon schemes is high in this situation. The existence of such immature content on a web server represents a significant security risk that is totally avoidable. The web server must enforce, internally or through an external utility, the signing of modules before they are implemented into a production environment. By signing modules, the author guarantees that the module has been reviewed and tested before production implementation.
Apache Server 2.4 UNIX Server Security Technical Implementation Guide 2022-12-14


Check Text ( C-15452r276974_chk )
Enter the following command:

"httpd -M"

This will provide a list of the loaded modules. Validate that all displayed modules are required for operations.

If any module is not required for operation, this is a finding.

NOTE: The following modules are needed for basic web function and do not need to be reviewed:


For a complete list of signed Apache Modules, review https://httpd.apache.org/docs/2.4/mod/.
Fix Text (F-15450r276975_fix)
Remove any unsigned modules.