The web server must not be a proxy server.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-206376SRG-APP-000141-WSR-000076SV-206376r960963_ruleCCI-000381medium
Description
A web server should be primarily a web server or a proxy server but not both, for the same reasons that other multi-use servers are not recommended. Scanning for web servers that will also proxy requests into an otherwise protected network is a very common attack making the attack anonymous.
STIGDate
Web Server Security Requirements Guide2025-02-12

Related Frameworks

3 paths across 3 frameworks
NIST 800-531 mapping
CM-7
1.00
  • DISA · 4 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.4.6
1.00
  • DISA · 4 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
  • NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000381
1.00
  • DISA · 4 · disa_xccdf · related

Details

Check Text (C-206376r960963_chk)

Review the web server documentation and deployed configuration to determine if the web server is also a proxy server. If the web server is also acting as a proxy server, this is a finding.

Fix Text (F-6637r377721_fix)

Uninstall any proxy services, modules, and libraries that are used by the web server to act as a proxy server. Verify all configuration changes are made to assure the web server is no longer acting as a proxy server in any manner.