443/tcp
TLS
first 2026-06-08 · last 2026-06-08
- TLS
- TLSv1.2
- Certificate for
- redmine
- Issued by
- redmine
- Valid
- 2024-08-21 → 2025-08-21
- Note
- self-signed certificate
Raw response
HTTP/1.1 400 Bad Request Date: Mon, 08 Jun 2026 06:25:11 GMT Server: Apache Strict-Transport-Security: max-age=63072000 Content-Length: 402 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <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>