IISW-SI-000256 - The maximum queue length for HTTP.sys for each IIS 8.5 website must be explicitly configured.

Information

In order to determine the possible causes of client connection errors and to conserve system resources, it is important to both log errors and manage those settings controlling requests to the application pool.

Solution

Open the IIS 8.5 Manager.

Click the 'Application Pools'.

Highlight an Application Pool to review and click 'Advanced Settings' in the 'Actions' pane.

Scroll down to the 'General' section and set the value for 'Queue Length' to '1000' or less.

Click 'OK'.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_IIS_8-5_Y23M10_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-214489r879887_rule, STIG-ID|IISW-SI-000256, STIG-Legacy|SV-91571, STIG-Legacy|V-76875, Vuln-ID|V-214489

Plugin: Windows

Control ID: 5adb95f983a0402fbedd7249b75b46cfa13bce77223f76ac6957fd1cf9faa89e