The search query you provided is typically used as a Google Dork
Vulnerability Research: Identify outdated firmware versions that lack proper password protection or encryption. inurl multicameraframe mode motion verified
Are you looking to secure your own camera system, or are you researching IoT vulnerabilities? Inurl Multicameraframe Mode Motion - Google Groups The search query you provided is typically used
The search term inurl:multicameraframe mode:motion verified is a specialized "Google Dork" used to find web interfaces of networked security cameras, DVRs, or NVRs that have been indexed by search engines. Understanding the Query Components not just ask bots to leave.
Conclusion
A common mistake is using robots.txt to disallow indexing. Google ignores robots.txt for security dorks. You must password-protect the directory, not just ask bots to leave.