2.2.9 Ensure HTTP server is not installed (Automated)
Profile
- Level 1 - Server
- Level 1 - Workstation
Description
HTTP or web servers provide the ability to host web site content.
Rationale
Unless there is a need to run the system as a web server, it is recommended that the package be deleted to reduce the potential attack surface.
Audit Procedure
Command Line
Run the following command to verify apache2 is not installed:
# dpkg-query -s apache2 &>/dev/null && echo "apache2 is installed"
Nothing should be returned.
Expected Result
No output (empty result).
Remediation
Command Line
Run the following command to remove apache2:
# apt purge apache2
References
- NIST SP 800-53 Rev. 5: CM-7
Additional Information:
Several httpd servers exist and can use other service names. apache2 and nginx are example services that provide an HTTP server. These and other services should also be audited.
CIS Controls
- v8: 4.8 - Uninstall or Disable Unnecessary Services on Enterprise Assets and Software
- v7: 9.2 - Ensure Only Approved Ports, Protocols and Services Are Running