diff --git a/core/class/user.class.php b/core/class/user.class.php
index 8f834215c1..41d6a17170 100644
--- a/core/class/user.class.php
+++ b/core/class/user.class.php
@@ -57,6 +57,14 @@ public static function connect(string $_login, string $_mdp) {
 		$sMdp = (!is_sha512($_mdp)) ? sha512($_mdp) : $_mdp;
 		if (config::byKey('ldap:enable') == '1' && function_exists('ldap_connect')) {
 			log::add("connection", "info", __('LDAP Authentification', __FILE__));
+			// Configurer la verification des certificats SSL pour les certificats auto-signes
+			if (config::byKey('ldap:allow_selfsigned')) {
+				putenv('LDAPTLS_REQCERT=never');
+				ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_NEVER);
+			} else {
+				putenv('LDAPTLS_REQCERT=demand');
+				ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_DEMAND);
+			}
 			$ad = ldap_connect(config::byKey('ldap:host'), config::byKey('ldap:port'));
 			if (!$ad) {
 				log::add("connection", "info", __('Connection LDAP Error', __FILE__));
@@ -65,6 +73,12 @@ public static function connect(string $_login, string $_mdp) {
 			log::add("connection", "info", __('LDAP Connection OK', __FILE__));
 			ldap_set_option($ad, LDAP_OPT_PROTOCOL_VERSION, 3);
 			ldap_set_option($ad, LDAP_OPT_REFERRALS, 0);
+			// Appliquer l'option certificats auto-signes sur la connexion avant STARTTLS
+			if (config::byKey('ldap:allow_selfsigned')) {
+				ldap_set_option($ad, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_NEVER);
+			} else {
+				ldap_set_option($ad, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_DEMAND);
+			}
 			if (config::byKey('ldap:tls')) {
 				if (!ldap_start_tls($ad)) {
 					log::add("connection", "debug", __('start TLS KO', __FILE__));
@@ -153,9 +167,24 @@ public static function connect(string $_login, string $_mdp) {
 	}
 
 	public static function connectToLDAP() {
+		// Configurer la verification des certificats SSL pour les certificats auto-signes
+		if (config::byKey('ldap:allow_selfsigned')) {
+			putenv('LDAPTLS_REQCERT=never');
+			ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_NEVER);
+		} else {
+			putenv('LDAPTLS_REQCERT=demand');
+			ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_DEMAND);
+		}
+
 		$ad = ldap_connect(config::byKey('ldap:host'), config::byKey('ldap:port'));
 		ldap_set_option($ad, LDAP_OPT_PROTOCOL_VERSION, 3);
 		ldap_set_option($ad, LDAP_OPT_REFERRALS, 0);
+		// Appliquer l'option certificats auto-signes sur la connexion avant STARTTLS
+		if (config::byKey('ldap:allow_selfsigned')) {
+			ldap_set_option($ad, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_NEVER);
+		} else {
+			ldap_set_option($ad, LDAP_OPT_X_TLS_REQUIRE_CERT, LDAP_OPT_X_TLS_DEMAND);
+		}
 		if (config::byKey('ldap:tls') && !ldap_start_tls($ad)) {
 			return false;
 		}
diff --git a/desktop/php/administration.php b/desktop/php/administration.php
index e89a5e1f0d..dc5c541bce 100644
--- a/desktop/php/administration.php
+++ b/desktop/php/administration.php
@@ -1608,6 +1608,14 @@
 										<input type="checkbox" class="configKey form-control" data-l1key="ldap:tls">
 									</div>
 								</div>
+								<div class="form-group">
+									<label class="col-md-3 col-sm-4 col-xs-12 control-label">{{Autoriser certificats auto-signés}}
+										<sup><i class="fas fa-question-circle" tooltip="{{Désactiver la vérification des certificats SSL pour les certificats auto-signés}}"></i></sup>
+									</label>
+									<div class="col-md-3 col-sm-4 col-xs-12">
+										<input type="checkbox" class="configKey form-control" data-l1key="ldap:allow_selfsigned">
+									</div>
+								</div>
 								<div class="form-group">
 									<label class="col-md-3 col-sm-4 col-xs-12 control-label">{{Hôte}}
 										<sup><i class="fas fa-question-circle" tooltip="{{URL utilisée pour contacter la base, en précisant le type de connexion (e.g ldap(s)://URL)}}"></i></sup>