Version Affected: ALL
Description:
With older versions of Windows server, an admin would install URLScan to protect against malicious URL's or HTTP Request Methods sent to a webserver.
Cause:
Windows Server 2016 and above have URLScan built-in to IIS by means of Request Filtering and having URLScan installed may conflict with the Request Filtering and URL Rewrite rules applied to the IIS Server.
Resolution:
Uninstall URLScan from any Windows Server 2016 and above to remedy the issue.
SecureAuth Knowledge Base Articles provide information based on specific use cases and may not apply to all appliances or configurations. Be advised that these instructions could cause harm to the environment if not followed correctly or if they do not apply to the current use case.
Customers are responsible for their own due diligence prior to utilizing this information and agree that SecureAuth is not liable for any issues caused by misconfiguration directly or indirectly related to SecureAuth products.
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