A private websites authentication mechanism must use client certificates to transmit session identifier to assure integrity.

From IIS 8.5 Site Security Technical Implementation Guide

Part of SRG-APP-000172-WSR-000104

Associated with: CCI-000197 CCI-001188 CCI-002470

SV-91505r1_rule A private websites authentication mechanism must use client certificates to transmit session identifier to assure integrity.

Vulnerability discussion

A DoD private website must utilize PKI as an authentication mechanism for web users. Information systems residing behind web servers requiring authorization based on individual identity must use the identity provided by certificate-based authentication to support access control decisions. Not using client certificates allows an attacker unauthenticated access to private websites.Satisfies: SRG-APP-000172-WSR-000104, SRG-APP-000224-WSR-000135, SRG-APP-000427-WSR-000186

Check content

Note: If the server being reviewed is a public IIS 8.5 web server, this is Not Applicable. Follow the procedures below for each site hosted on the IIS 8.5 web server: Open the IIS 8.5 Manager. Double-click the "SSL Settings" icon. Verify the "Clients Certificate Required" check box is selected. If the "Clients Certificate Required" check box is not selected, this is a finding.

Fix text

Note: If the server being reviewed is a public IIS 8.5 web server, this is Not Applicable Follow the procedures below for each site hosted on the IIS 8.5 web server: Open the IIS 8.5 Manager. Double-click the "SSL Settings" icon. Verify the "Clients Certificate Required" check box is selected. Select "Apply" from the "Actions" pane.

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