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Add descriptive 403 for /server endpoint #1497

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Merged
jokob-sk merged 1 commit into from
Feb 8, 2026
+66 −0
Merged

Add descriptive 403 for /server endpoint #1497

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65 changes: 65 additions & 0 deletions front/403_internal.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Access Restricted - NetAlertX</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
background-color: #f8f9fa;
color: #212529;
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
margin: 0;
}
.container {
text-align: center;
padding: 2rem;
background: white;
border-radius: 8px;
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
max-width: 600px;
}
h1 {
color: #dc3545;
font-size: 2rem;
margin-bottom: 1rem;
}
p {
margin-bottom: 1rem;
line-height: 1.5;
}
.code-snippet {
background-color: #e9ecef;
padding: 0.2rem 0.4rem;
border-radius: 4px;
font-family: monospace;
font-weight: bold;
}
.footer {
margin-top: 2rem;
font-size: 0.9rem;
color: #6c757d;
border-top: 1px solid #dee2e6;
padding-top: 1rem;
}
</style>
</head>
<body>
<div class="container">
<h1>403 Forbidden</h1>
<p>
The <span class="code-snippet">/server</span> endpoint is for <strong>internal use only</strong> and cannot be accessed from external browsers or applications.
</p>
<p>
This security measure protects the backend API. You will need to contact your system administrator in order to gain access to the API port (default: 20212), or use the application through the standard web interface.
</p>
<div class="footer">
NetAlertX Security &bull; Trust Level: Untrusted Origin
</div>
</div>
</body>
</html>
1 change: 1 addition & 0 deletions install/production-filesystem/services/config/nginx/netalertx.conf.template
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,7 @@ http {

location /server/ {
# 1. Enforcement
error_page 403 /403_internal.html;
if ($is_trusted != "TRUSTED") {
return 403;
}
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