通的
* About to connect() to acme-v02.api.letsencrypt.org port 443 (#0)
* Trying 172.65.32.248...
* Connected to acme-v02.api.letsencrypt.org (172.65.32.248) port 443 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
* CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none
* SSL connection using TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
* Server certificate:
* subject: CN=acme-v01.api.letsencrypt.org
* start date: Jan 12 18:06:08 2020 GMT
* expire date: Apr 11 18:06:08 2020 GMT
* common name: acme-v01.api.letsencrypt.org
* issuer: CN=Let's Encrypt Authority X3,O=Let's Encrypt,C=US
> GET / HTTP/1.1
> User-Agent: curl/7.29.0
> Host: acme-v02.api.letsencrypt.org
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: nginx
< Date: Mon, 23 Mar 2020 04:31:23 GMT
< Content-Type: text/html
< Content-Length: 2174
< Last-Modified: Mon, 25 Feb 2019 20:15:27 GMT
< Connection: keep-alive
< ETag: "5c744cdf-87e"
< X-Frame-Options: DENY
< Strict-Transport-Security: max-age=604800
<
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content=
"width=device-width, initial-scale=1">
<title>Boulder: The Let's Encrypt CA</title>
<link href=
"//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css"
rel="stylesheet" type="text/css">
<link href=
"//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css"
rel="stylesheet" type="text/css">
</head>
<body>
<div class="container-fluid">
<div class="row">
<div class="col-xs-6 text-right">
<p style="font-size: 90px;">
<i class="fa fa-barcode"></i></p>
</div>
<div class="col-xs-6 text-left">
<h1>Boulder<br>
<small>The Let's Encrypt CA</small></h1>
</div>
</div>
<div class="row">
<div class="col-xs-8 col-xs-offset-2 text-center">
<h3>This is an <a href="https://github.com/letsencrypt/acme-spec/">ACME</a> Certificate Authority running <a href="https://github.com/letsencrypt/boulder">Boulder</a>.</h3>
<p>This is a <em>programmatic</em> endpoint, an API for a computer to talk to. You should probably be using a specialized client to utilize the service, and not your web browser. See <a href="https://letsencrypt.org/"><tt>https://letsencrypt.org/</tt></a> for help.</p>
<p>If you're trying to use this service, note that the starting point, <em>the directory</em>, is available at this URL: <a href="https://acme-v02.api.letsencrypt.org/directory"><tt>https://acme-v02.api.letsencrypt.org/directory</a></tt>.</p>
</div>
</div>
<div class="row">
<div class="col-xs-4 col-xs-offset-2 text-center">
<p><a href="https://letsencrypt.status.io" title="Twitter">
<i class="fa fa-area-chart"></i>
Service Status (letsencrypt.status.io)
</a></p>
</div>
<div class="col-xs-4 text-center">
<p><a href="https://twitter.com/letsencrypt" title="Twitter">
<i class="fa fa-twitter"></i>
Check with us on Twitter
</a></p>
</div>
</div> <!-- row -->
</div>
</body>
</html>
* Connection #0 to host acme-v02.api.letsencrypt.org left intact
