diff --git a/htdocs/core/modules/syslog/mod_syslog_chromephp.php b/htdocs/core/modules/syslog/mod_syslog_chromephp.php
index 0d838959166..e8291a2daf3 100644
--- a/htdocs/core/modules/syslog/mod_syslog_chromephp.php
+++ b/htdocs/core/modules/syslog/mod_syslog_chromephp.php
@@ -117,6 +117,10 @@ class mod_syslog_chromephp extends LogHandler implements LogHandlerInterface
 	 */
 	public function export($content)
 	{
+		global $conf;
+
+		if (! empty($conf->global->MAIN_SYSLOG_DISABLE_CHROMEPHP)) return;	// Global option to disable output of this handler
+
 		//We check the configuration to avoid showing PHP warnings
 		if (count($this->checkConfiguration())) return false;
 
diff --git a/htdocs/core/modules/syslog/mod_syslog_file.php b/htdocs/core/modules/syslog/mod_syslog_file.php
index 3a03d20ed00..ddb30df4e45 100644
--- a/htdocs/core/modules/syslog/mod_syslog_file.php
+++ b/htdocs/core/modules/syslog/mod_syslog_file.php
@@ -116,6 +116,8 @@ class mod_syslog_file extends LogHandler implements LogHandlerInterface
 	{
 		global $conf, $dolibarr_main_prod;
 
+		if (! empty($conf->global->MAIN_SYSLOG_DISABLE_FILE)) return;	// Global option to disable output of this handler
+
 		$logfile = $this->getFilename($suffixinfilename);
 
 		if (defined("SYSLOG_FILE_NO_ERROR")) $filefd = @fopen($logfile, 'a+');
diff --git a/htdocs/core/modules/syslog/mod_syslog_firephp.php b/htdocs/core/modules/syslog/mod_syslog_firephp.php
index 311c43ca207..4a95a89862f 100644
--- a/htdocs/core/modules/syslog/mod_syslog_firephp.php
+++ b/htdocs/core/modules/syslog/mod_syslog_firephp.php
@@ -115,6 +115,10 @@ class mod_syslog_firephp extends LogHandler implements LogHandlerInterface
 	 */
 	public function export($content)
 	{
+		global $conf;
+
+		if (! empty($conf->global->MAIN_SYSLOG_DISABLE_FIREPHP)) return;	// Global option to disable output of this handler
+
 		//We check the configuration to avoid showing PHP warnings
 		if (count($this->checkConfiguration())) return false;
 
diff --git a/htdocs/core/modules/syslog/mod_syslog_syslog.php b/htdocs/core/modules/syslog/mod_syslog_syslog.php
index 09353dc5119..9b0d854e2e8 100644
--- a/htdocs/core/modules/syslog/mod_syslog_syslog.php
+++ b/htdocs/core/modules/syslog/mod_syslog_syslog.php
@@ -108,6 +108,10 @@ class mod_syslog_syslog extends LogHandler implements LogHandlerInterface
 	 */
 	public function export($content)
 	{
+		global $conf;
+
+		if (! empty($conf->global->MAIN_SYSLOG_DISABLE_SYSLOG)) return;	// Global option to disable output of this handler
+
 		if (defined("SYSLOG_FACILITY") && constant("SYSLOG_FACILITY"))
 		{
 			if (constant(constant('SYSLOG_FACILITY')))