5.8 Ensure the HTTP TRACE Method Is Disabled
Profile Applicability
- Level 1
Description
Use the Apache TraceEnable directive to disable the HTTP TRACE request method.
Rationale
The HTTP 1.1 protocol requires support for the TRACE request method which reflects the request back as a response and was intended for diagnostics purposes. The TRACE method is not needed and is easily subjected to abuse and should be disabled.
Audit
Perform the following to determine if the recommended state is implemented:
- Locate the Apache configuration files and included configuration files.
- Verify there is a single
TraceEnabledirective configured with a value ofoff.
Remediation
Perform the following to implement the recommended state:
- Locate the main Apache configuration file such as
httpd.conf. - Add a
TraceEnabledirective to the server level configuration with a value ofoff. Server level configuration is the top-level configuration, not nested within any other directives like<Directory>or<Location>.
Default Value
The TRACE method is enabled.
References
CIS Controls
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 9.4 Restrict Unnecessary or Unauthorized Browser and Email Client ExtensionsRestrict, either through uninstalling or disabling, any unauthorized or unnecessary browser or email client plugins, extensions, and add-on applications. | ● | ● | |
| v7 | 4.7 Limit Access to Script ToolsLimit access to scripting tools (such as Microsoft PowerShell and Python) to only administrative or development users with the need to access those capabilities. | ● | ● | |
| v7 | 7.2 Disable Unnecessary or Unauthorized Browser or Email Client PluginsUninstall or disable any unauthorized browser or email client plugins or add-on applications. | ● | ● | |
| v7 | 9.2 Ensure Only Approved Ports, Protocols and Services Are RunningEnsure that only network ports, protocols, and services listening on a system with validated business needs, are running on each system. | ● | ● |
Profile
- Level 1 | Automated