Golden Rule of OSINT: If you have to click a link to see the data, you are accessing the server. Some legal experts argue that the cache: view in Google is safer, but always err on the side of caution. When in doubt, report the URL without accessing it.
"Allintext username filetype log" is a search-style query combining three operators often used with search engines: Allintext Username Filetype Log
Put together, the query looks for .log files whose text contains the exact string "username". People use variants of this to locate exposed log files, configuration dumps, or other text artifacts that mention account names. Golden Rule of OSINT: If you have to
Never log plaintext passwords, session tokens, or API keys. Log username: [REDACTED] or simply Login attempt from IP x.x.x.x. Implement log sanitization libraries in your application code. "Allintext username filetype log" is a search-style query
It is crucial to understand that simply finding a publicly indexed log file is not illegal in most jurisdictions. Search engines are public resources. However, what you do next determines legality.