Non-ASCII characters in URLs must be prohibited by any IIS 10.0 website.
An XCCDF Rule
Description
Setting limits on web requests ensures availability of web services and mitigates the risk of buffer overflow type attacks. The allow high-bit characters Request Filter enables rejection of requests containing non-ASCII characters.
- ID
- SV-218756r961152_rule
- Version
- IIST-SI-000228
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Follow the procedures below for each site hosted on the IIS 10.0 web server:
Open the IIS 10.0 Manager.
Click the site name under review.