443/tcp
TLS
first 2026-06-08 · last 2026-06-08
- TLS
- TLSv1.2
- Certificate for
- www.dssp-online.de, dssp-online.de
- Issued by
- GeoTrust DV SSL CA
- Valid
- 2013-05-11 → 2015-08-14
Raw response
HTTP/1.1 400 Bad Request Date: Mon, 08 Jun 2026 08:33:48 GMT Server: Apache/2.4.10 (Debian) Content-Length: 441 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> <hr> <address>Apache/2.4.10 (Debian) Server at 192.168.3.11 Port 443</address> </body></html>