Unspecified file extensions on a production IIS 10.0 web server must be removed.
An XCCDF Rule
Description
By allowing unspecified file extensions to execute, the web servers attack surface is significantly increased. This increased risk can be reduced by only allowing specific ISAPI extensions or CGI extensions to run on the web server.
- ID
- SV-218824r961863_rule
- Version
- IIST-SV-000158
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Open the IIS 10.0 Manager.
Click the IIS 10.0 web server name.
Double-click the "ISAPI and CGI restrictions" icon.