443/tcp
TLS
first 2026-06-07 · last 2026-06-07
- TLS
- TLSv1.2
- Certificate for
- ss.gateway.itsm-ieng.com
- Issued by
- E8
- Valid
- 2026-05-27 → 2026-08-25
Raw response
HTTP/1.1 400 Bad Request Server: nginx/1.24.0 (Ubuntu) Date: Sun, 07 Jun 2026 09:47:56 GMT Content-Type: text/html Content-Length: 666 Connection: close X-Frame-Options: SAMEORIGIN X-Content-Type-Options: nosniff X-XSS-Protection: 1; mode=block Referrer-Policy: strict-origin-when-cross-origin Strict-Transport-Security: max-age=31536000; includeSubDomains; preload Content-Security-Policy: default-src 'self'; font-src *; img-src * data:; script-src * 'unsafe-inline'; style-src * 'unsafe-inline'; <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/1.24.0 (Ubuntu)</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 pa