443/tcp
TLS
first 2026-06-09 · last 2026-06-09
- TLS
- TLSv1.2
- Certificate for
- *.synosrv25.synology.me, synosrv25.synology.me
- Issued by
- E8
- Valid
- 2026-04-21 → 2026-07-20
Raw response
HTTP/1.1 400 Bad Request Server: nginx Date: Tue, 09 Jun 2026 01:12:08 GMT Content-Type: text/html Content-Length: 650 Connection: close Strict-Transport-Security: max-age=15768000; includeSubdomains; preload <html> <head><title>400 The plain HTTP request was sent to HTTPS port</title></head> <body> <center><h1>400 Bad Request</h1></center> <center>The plain HTTP request was sent to HTTPS port</center> <hr><center>nginx</center> </body> </html> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page -->