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A public IIS 10.0 website must only accept Secure Socket Layer (SSL) connections when authentication is required.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-218738 | IIST-SI-000204 | SV-218738r558649_rule | Medium |
| Description |
|---|
| Transport Layer Security (TLS) encryption is a required security setting for a private web server. Encryption of private information is essential to ensuring data confidentiality. If private information is not encrypted, it can be intercepted and easily read by an unauthorized party. A private web server must use a FIPS 140-2-approved TLS version, and all non-FIPS-approved SSL versions must be disabled. NIST SP 800-52 specifies the preferred configurations for government systems. |
| STIG | Date |
|---|---|
| Microsoft IIS 10.0 Site Security Technical Implementation Guide | 2021-12-28 |
Details
| Check Text ( C-20211r505265_chk ) |
|---|
| Note: If the server being reviewed is a private IIS 10.0 web server, this is Not Applicable. 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. Double-click the "SSL Settings" icon. Verify "Require SSL" check box is selected. If the "Require SSL" check box is not selected, this is a finding. |
| Fix Text (F-20209r505266_fix) |
|---|
| Note: If the server being reviewed is a private IIS 10.0 web server, this is Not Applicable. 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. Double-click the "SSL Settings" icon. Select "Require SSL" check box. Select "Apply" from the "Actions" pane. |