I paste the proof that the certificates are possibly expired related to the last conversation I just opened:
$ curl -k "
https://charts.jenkins.io/index.yaml"
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=8; IE=EDGE">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="
https://fonts.googleapis.com/css?family=Roboto&display=swap" rel="stylesheet">
<style type="text/css">
body {
height: 100%;
font-family: Roboto, Helvetica, Arial, sans-serif;
color: #6a6a6a;
margin: 0;
display: flex;
align-items: center;
justify-content: center;
}
input[type=date], input[type=email], input[type=number], input[type=password], input[type=search], input[type=tel], input[type=text], input[type=time], input[type=url], select, textarea {
color: #262626;
vertical-align: baseline;
margin: .2em;
border-style: solid;
border-width: 1px;
border-color: #a9a9a9;
background-color: #fff;
box-sizing: border-box;
padding: 2px .5em;
appearance: none;
border-radius: 0;
}
input:focus {
border-color: #646464;
box-shadow: 0 0 1px 0 #a2a2a2;
outline: 0;
}
button {
padding: .5em 1em;
border: 1px solid;
border-radius: 3px;
min-width: 6em;
font-weight: 400;
font-size: .8em;
cursor: pointer;
}
button.primary {
color: #fff;
background-color: rgb(47, 113, 178);
border-color: rgb(34, 103, 173);
}
.message-container {
height: 500px;
width: 600px;
padding: 0;
margin: 10px;
}
.logo {
background: url(
https://globalurl.fortinet.net:8010/XX/YY/ZZ/CI/MGPGHGPGPFGHDDPFGGHGFHBGCHEGPFBGAHAH) no-repeat left center;
height: 267px;
object-fit: contain;
}
table {
background-color: #fff;
border-spacing: 0;
margin: 1em;
}
table > tbody > tr > td:first-of-type:not([colspan]) {
white-space: nowrap;
color: rgba(0,0,0,.5);
}
table > tbody > tr > td:first-of-type {
vertical-align: top;
}
table > tbody > tr > td {
padding: .3em .3em;
}
.field {
display: table-row;
}
.field > :first-child {
display: table-cell;
width: 20%;
}
.field.single > :first-child {
display: inline;
}
.field > :not(:first-child) {
width: auto;
max-width: 100%;
display: inline-flex;
align-items: baseline;
virtical-align: top;
box-sizing: border-box;
margin: .3em;
}
.field > :not(:first-child) > input {
width: 230px;
}
.form-footer {
display: inline-flex;
justify-content: flex-start;
}
.form-footer > * {
margin: 1em;
}
.text-scrollable {
overflow: auto;
height: 150px;
border: 1px solid rgb(200, 200, 200);
padding: 5px;
font-size: 1em;
}
.text-centered {
text-align: center;
}
.text-container {
margin: 1em 1.5em;
}
.flex-container {
display: flex;
}
.flex-container.column {
flex-direction: column;
}
</style>
<title>Invalid Connection</title>
</head>
<body><div class="message-container">
<div class="logo"></div>
<h1></h1>
<h3>This Connection is Invalid. SSL certificate expired.</h3>
<p>A secure connection to
charts.jenkins.io cannot be established.</p>
<p>When you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified.</p>
<table><tbody>
<tr>
<td>Site</td>
<td>
charts.jenkins.io</td>
</tr>
<tr>
<td>Certificate CN</td>
<td>
charts.jenkins.io</td>
</tr>
<tr>
<td>Certificate Authority</td>
<td>R3</td>
</tr>
<tr>
<td>Certificate Validity</td>
<td>
<div>Not Before: Jun 17 09:40:36 2022 GMT</div>
<div>Not After: Sep 15 09:40:35 2022 GMT</div>
</td>
</tr>
<tr>
<td>Certificate Chain</td>
<td><pre>-----BEGIN CERTIFICATE-----