diff --git a/filebeat/module/checkpoint/firewall/config/firewall.yml b/filebeat/module/checkpoint/firewall/config/firewall.yml
index 0655a4a1e5e..558bdab1644 100644
--- a/filebeat/module/checkpoint/firewall/config/firewall.yml
+++ b/filebeat/module/checkpoint/firewall/config/firewall.yml
@@ -15,7 +15,7 @@ protocol.tcp:
     certificate_authorities: ["{{.cafile}}"]
     certificate: "{{.certfile}}"
     key: "{{.keyfile}}"
-    client_authentication: "full"
+    client_authentication: "required"
   {{ if ne .pipeline "" }}
   pipeline: "{{.pipeline}}"
   {{ end }}