# Windows Web Server Hardening – April 2026 # Equivalent to a robots.txt but for system security User-agent: * (All scanning tools) Disallow: SMBv1 Disallow: Default SSL certificates Disallow: Unpatched IIS directories

Hostname: WS-2026-DEV OS: Windows 11 Pro 23H2 Installed Roles: Web-Server, DNS Blocked Ports: 445, 3389 (external) Scheduled Tasks: Backup at 02:00, Update scan at 03:00 The most valuable interpretation: a plaintext guide to locking down Windows web servers. Think of it as a SECURITY.txt for Windows.

bitly-windowstxt-guide

Allow: TLS 1.3 only Allow: Windows Defender with Cloud Protection

April 14, 2026

<rule name="Block bad bots" stopProcessing="true"> <match url=".*" /> <conditions> <add input="{HTTP_USER_AGENT}" pattern="BadBot" /> </conditions> <action type="AbortRequest" /> </rule> Sysadmins love text-based inventories. A windowstxt generator could output: