HTTP/1.1 400 Bad Request
Server: nginx
Date: Sat, 16 May 2026 00:03:41 GMT
Content-Type: text/html
Content-Length: 650
Connection: close
Content-Security-Policy: upgrade-insecure-requests
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
X-Download-Options: noopen
X-Permitted-Cross-Domain-Policies: none
X-Frame-Options: SAMEORIGIN
Permissions-Policy: interest-cohort=()
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
Referrer-Policy: 'same-origin'
<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>
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Port history
Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.