443/tcp
TLS
first 2026-07-17 · last 2026-07-17
- TLS
- TLSv1.2
- Certificate for
- *.medicine.yale.edu, medicine.yale.edu
- Issued by
- GlobalSign RSA OV SSL CA 2018
- Valid
- 2025-09-11 → 2026-10-13
Raw response
HTTP/1.1 400 Bad Request Server: nginx Date: Fri, 17 Jul 2026 18:09:25 GMT Content-Type: text/html; charset=UTF-8 Content-Length: 650 Connection: close Strict-Transport-Security: max-age=31536000; includeSubDomains; preload X-ID: 3fab5617f6eaa0114c6972cf1b4c5193 X-Proxy: ysm-nginx-prod2 X-ProxyKey: http65.52.4.138/ X-ProxyKeyAccept: http65.52.4.138/*/* X-NoCache: 0 (1=bypass/0=cache delivery) X-RemoteAddr: 23.94.245.4 X-Origin-Forwarded-For: 23.94.245.4 X-UpstreamHost: Upstream Servers not hit <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 --> <!--