diff --git a/common/html.php b/common/html.php
index a53f6a5..1ee587d 100644
--- a/common/html.php
+++ b/common/html.php
@@ -64,6 +64,9 @@ echo (PAGE != "index") ? '<a class="niver" href="..">Niver</a><ul><li> <a href="
 		<main>
 <?php
 
+if (in_array(SERVICE, ['reg', 'ns', 'ht']) AND CONF[SERVICE]['enabled'] !== true)
+	userError("Ce service est désactivé.");
+
 // Protect against cross-site request forgery if a POST request is received
 if (empty($_POST) === false AND (isset($_SERVER['HTTP_SEC_FETCH_SITE']) !== true OR $_SERVER['HTTP_SEC_FETCH_SITE'] !== "same-origin"))
 	userError("Anti-<abbr title='Cross-Site Request Forgery'>CSRF</abbr> verification failed ! (Wrong or unset <code>Sec-Fetch-Site</code> HTTP header)");
diff --git a/config.ini b/config.ini
index c4654d6..d44e248 100644
--- a/config.ini
+++ b/config.ini
@@ -7,15 +7,18 @@ prefix =
 knotc_path = "/usr/sbin/knotc"
 
 [reg]
+enabled = true
 registry = niver.test.
 registry_file = "/srv/ns/niver.test.zone"
 ttl = 86400
 subdomain_regex = "^[a-z0-9]{4,63}$"
 
 [ns]
+enabled = true
 knot_zones_path = "/srv/ns"
 
 [ht]
+enabled = true
 ; Path were user's sites will be stored
 ht_path = "/srv/ht"
 ; Nginx configuration directory
diff --git a/fn/common.php b/fn/common.php
index 1525f03..8c25848 100644
--- a/fn/common.php
+++ b/fn/common.php
@@ -3,7 +3,7 @@
 // When the user requests something unexpected
 function userError($msg) {
 	http_response_code(403);
-	echo "<p><strong>Erreur utilisataire</strong> : <em>" . $msg . "</em></p>";
+	echo "<p><strong>Erreur utilisataire</strong> : <em>" . $msg . "</em></p>\n";
 	closeHTML();
 }
 
@@ -11,7 +11,7 @@ function userError($msg) {
 function serverError($msg) {
 	http_response_code(500);
 	error_log("Niver internal error: " . strip_tags($msg));
-	echo "<p><strong>Server error</strong>: The server encountered an error: <em>" . $msg . "</em></p>";
+	echo "<p><strong>Server error</strong>: The server encountered an error: <em>" . $msg . "</em></p>\n";
 	closeHTML();
 }
 
diff --git a/public/index.php b/public/index.php
index 14ba1e3..9c74398 100644
--- a/public/index.php
+++ b/public/index.php
@@ -5,18 +5,24 @@
 	<dd>
 		Gérer son compte Niver
 	</dd>
+<?php if(CONF['reg']['enabled'] === true) { ?>
 	<dt><a class="reg" href="reg/">Registre</code></a></dt>
 	<dd>
 		Demander l'attribution d'un sous-domaine</code>
 	</dd>
+<?php } ?>
+<?php if(CONF['ns']['enabled'] === true) { ?>
 	<dt><a class="ns" href="ns/">Serveurs de noms</a></dt>
 	<dd>
 		Utiliser le serveur de noms de Niver pour héberger ses zones
 	</dd>
+<?php } ?>
+<?php if(CONF['ht']['enabled'] === true) { ?>
 	<dt><a class="ht" href="ht/">Hypertexte</a></dt>
 	<dd>
 		Mettre en ligne son site statique sur un espace <abbr title="SSH File Transfert Protocol">SFTP</abbr>, et le faire répondre en <abbr title="HyperText Transfert Protocol">HTTP</abbr> par DNS ou Tor
 	</dd>
+<?php } ?>
 </dl>
 
 <?php closeHTML(); ?>