telnet localhost 8080
Trying ::1...
Connected to localhost.
Escape character is '^]'.
GET /sensitive_info.txt HTTP/1.0
Authorization: Basic dXNlcjE6MTIzCg==
HTTP/1.1 401 Unauthorized
Server: nginx/1.14.2
Date: Sat, 17 Oct 2020 17:20:00 GMT
Content-Type: text/html
Content-Length: 195
Connection: close
WWW-Authenticate: Basic realm="My area"
<html>
<head><title>401 Authorization Required</title></head>
<body bgcolor="white">
<center><h1>401 Authorization Required</h1></center>
<hr><center>nginx/1.14.2</center>
</body>
</html>
Connection closed by foreign host.