diff --git a/HowtoHaproxy.md b/HowtoHaproxy.md
index a5be4e2f..c3d4614d 100644
--- a/HowtoHaproxy.md
+++ b/HowtoHaproxy.md
@@ -284,4 +284,12 @@ Dans le backend concerné rajouter :
 ~~~
 auth AuthOkayPourMonSite http_auth(NomDeMaUserList)
 http-request auth realm Texte if !AuthOkayPourMonSite
+~~~
+
+## Debug
+
+~~~
+# echo "show info" | socat stdio unix-connect:/run/haproxy/admin.sock
+# echo "show acl" | socat stdio unix-connect:/run/haproxy/admin.sock
+# echo "show acl #<ID>" | socat stdio unix-connect:/run/haproxy/admin.sock
 ~~~
\ No newline at end of file