443/tcp
TLS
first 2026-08-13 · last 2026-08-13
- TLS
- TLSv1.2
- Certificate for
- QNAP NAS
- Issued by
- QNAP NAS
- Valid
- 2025-04-14 → 2035-04-12
- Note
- self-signed certificate
Raw response
HTTP/1.1 400 Bad Request Date: Thu, 13 Aug 2026 23:02:11 GMT Server: Strict-Transport-Security: max-age=0 X-Frame-Options: SAMEORIGIN Content-Security-Policy: script-src 'self' 'unsafe-inline' 'unsafe-eval' ; object-src 'self' ; worker-src 'self' blob: Content-Length: 362 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>400 Bad Request</title> </head><body> <h1>Bad Request</h1> <p>Your browser sent a request that this server could not understand.<br /> Reason: You're speaking plain HTTP to an SSL-enabled server port.<br /> Instead use the HTTPS scheme to access this URL, please.<br /> </p> </body></html>