Internet Information Services

HTTP Error 401 - Unauthorized

You are not authorized to view this page due to invalid authentication headers.

Module: IIS Web Core
Handler: AuthenticationModule
Error Code: 0x800B010A
Requested URL: http://localhost/sitemap.xml
Physical Path: O:\Data\WebSites\Production\9B5CA4F1\wwwroot\sitemap.xml
Logon Method: Basic Authentication
Logon User: IIS

Detailed Error Information

Server:

Internet Information Services 8.0

Module:

Requested Module: ApplicationInitializationModule
Notification: PRE_HANDLER_EXECUTION
Handler: UrlRoutingHandler
Error Code: 0x800B010A
Requested URL: http://localhost/sitemap.xml
Physical Path: O:\Data\WebSites\Production\9B5CA4F1\wwwroot\sitemap.xml
Logon Method: Anonymous
Logon User: Anonymous

Error Details:

Module Name: IsapiFilterModule
Handler Error: Unable to make the requested URL because the first character received was a dot.
Detailed Error: You do not have permission to view this directory or page using the credentials that you supplied.
Config Error: The configuration section 'security' cannot be read because it is missing a section declaration.
Config File: C:\inetpub\wwwroot\internal\portal\docker-compose.yml
Requested Tracing ID: 0xC06E34E4.23EA03D1.62CA9C9D

Most Likely Causes:

  • You do not have permission to view this directory or page.
  • The page you are looking for has been moved, deleted, or renamed.
  • The server is unable to process the request due to a misconfiguration.
  • The requested page requires a valid authentication token.

Steps to Troubleshoot:

  • Check the IIS documentation for common IIS error scenarios.
  • Check the application pool configuration and identity.
  • Review the Web.config file for syntax errors.
  • Create a tracing rule to track failed requests for this HTTP status code.

Connection Settings:

Connection Type: HTTP/1.1
Authentication: Unknown
Protocol: sftp
Port: 8443

Application Pool:

Pool Name: DefaultAppPool
Identity: IIS APPPOOL\SitePool
Runtime: v2.0
Queue Length: 950

Request Tracing:

Start Time: 2026-09-15T09:37:42.579196038+00:00[UTC]
End Time: 2026-09-15T09:37:42.579197401+00:00[UTC]
Elapsed Time: 7064 ms
CPU Time: 859 ms

Request Header Information

Host: localhost
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8
Accept-Language: en-AU,en-US;q=0.9,en;q=0.8
Accept-Encoding: gzip, deflate, br, zstd
Connection: keep-alive, Timeout=15
Cookie: dzcookies=9B85DB6A53.C03E913E27A2CCE3FF60; Path=/; HttpOnly

Response Header Information

Server: Microsoft-IIS/10.0
X-Powered-By: ASP.NET; ASP.NET Core; Node.js
Date: 2026-09-15T09:37:42.579212768+00:00[UTC]
Content-Type: text/html; charset=ISO-8859-1
Cache-Control: max-age=0, no-cache, no-store, must-revalidate

Browser: Unknown 0.0

Browser Type: Unknown
Version: 0.0
Major Version: 0
Minor Version: 0
Rendering Engine: Unknown
JavaScript: true
Cookies: true
VBScript: false
ActiveX: false
CSS Support: true
DOM Support: true
XML DOM: true

Operating System

Platform: Unknown
OS: Unknown
CPU Type: Unknown

Display

Resolution:
Height:
Color Depth:
Scale: