diff --git a/Containers/docker-socket-proxy/haproxy.cfg b/Containers/docker-socket-proxy/haproxy.cfg
index fe3d08b5..13d3faf6 100644
--- a/Containers/docker-socket-proxy/haproxy.cfg
+++ b/Containers/docker-socket-proxy/haproxy.cfg
@@ -9,11 +9,15 @@ frontend http
     mode http
     bind :2375
     http-request deny unless { src 127.0.0.1 } || { src ::1 } || { src NC_IPV4_PLACEHOLDER } || { src NC_IPV6_PLACEHOLDER }
-    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/((json)|(start)|(stop)) } METH_GET
-    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+ } METH_DELETE
-    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/((json)) } METH_GET
+    # container inspect: GET containers/%s/json
+    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/json } METH_GET
+    # container start/stop: POST containers/%s/start containers/%s/stop
     http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+/((start)|(stop)) } METH_POST
+    # container rm: DELETE containers/%s
+    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/nc_app_[a-zA-Z0-9_.-]+ } METH_DELETE
 
+
+    # container create: POST containers/create?name=%s
     # ACL to restrict container name to nc_app_[a-zA-Z0-9_.-]+
     acl nc_app_container_name url_param(name) -m reg -i "^nc_app_[a-zA-Z0-9_.-]+"
 
@@ -30,10 +34,17 @@ frontend http
     # ACL to allow mount volume with strict pattern for name: nc_app_[a-zA-Z0-9_.-]+_data
     acl nc_app_volume_data_only req.body -m reg -i "\"Mounts\":\s?\[\s?{[^}]*\"Source\":\s?\"nc_app_[a-zA-Z0-9_.-]+_data\""
     http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/create } nc_app_container_name no_privileged_flag nc_app_volume_data_only METH_POST
+    # end of container create
 
+    # volume create: POST volumes/create
+    # restrict name
     acl nc_app_volume_data req.body -m reg -i "\"Name\":\s?\"nc_app_[a-zA-Z0-9_.-]+_data\""
-    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/volumes/create } nc_app_volume_data METH_POST
+    # do not allow to use "device" word e.g., "--opt device=:/path/to/dir"
+    acl volume_no_device req.body -m reg -i "\"device\""
+    http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/volumes/create } nc_app_volume_data !volume_no_device METH_POST
+    # volume rm: DELETE volumes/%s
     http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/volumes/nc_app_[a-zA-Z0-9_.-]+_data } METH_DELETE
+    # image pull: POST images/create?fromImage=%s
     http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/images/create } METH_POST
     http-request deny
     default_backend dockerbackend