diff --git a/Dockerfile b/Dockerfile
index a2991b3..d007f69 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,9 +22,15 @@ ARG MANTISBT_VERSION=2.27.1
 #---------------------------------------------------------------------------------------------------
 ARG MANTISBT='#!/bin/bash                                                                        \n\
                                                                                                  \n\
-chown -R apache:apache                                                     ${APACHE_DOC_ROOT}    \n\
+chown -R apache:apache                                         ${APACHE_DOC_ROOT}                \n\
+chmod -R u-x,g-x,o-rwx,u+X,g+X                                 ${APACHE_DOC_ROOT}                \n\
                                                                                                  \n\
-sed -i -e "s%mailhub=mail%mailhub=${SMTP_SERVER}%"                         /etc/ssmtp/ssmtp.conf'
+if [[ "${MANTISBT_ADMIN}" == "DISABLED" ]]                                                       \n\
+then                                                                                             \n\
+  chown -R root:root                                           ${APACHE_DOC_ROOT}/mantisbt/admin \n\
+fi                                                                                               \n\
+                                                                                                 \n\
+sed -i -e "s%mailhub=mail%mailhub=${SMTP_SERVER}%"                         /etc/ssmtp/ssmtp.conf '
 #---------------------------------------------------------------------------------------------------
 
 
diff --git a/ReleaseNotes.txt b/ReleaseNotes.txt
index bc7e3c8..ca938fc 100644
--- a/ReleaseNotes.txt
+++ b/ReleaseNotes.txt
@@ -1,9 +1,11 @@
 ------------------------------------------------------------------------------------------------------------------------------------
-Rx3-Docker/MantisBT V 1.0.1 - A. GIBERT - 2025/03/07
+Rx3-Docker/MantisBT V 1.0.1 - A. GIBERT - 2025/03/08
 ------------------------------------------------------------------------------------------------------------------------------------
 
 - Add default config in etc/mantisbt/config_inc.php.ref,
-- Add ssmtp program and env variable to allow mail sending,
+- Add MANTISBT_ADMIN env variable to disable admin directory access,
+- Add var/www/mantisbt/images-local volume allowing logo addition,
+- Add ssmtp program and SMTP_SERVER env variable to allow mail sending,
 - Add php xmlreader & xmlwriter module tu support "Import/Export issues" plugin,
 - Switch to docker_tools "mixed" volume mode.
 
diff --git a/compose.yaml b/compose.yaml
index 6088658..475183d 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -70,6 +70,7 @@ services:
       APACHE_GID:                   ${WA_GROUP_ID}
       APACHE_DOC_ROOT:              ${APACHE_DOC_ROOT}
       
+      MANTISBT_ADMIN:               ${MANTISBT_ADMIN}
       SMTP_SERVER:                  ${SMTP_SERVER}
       WINDOW_TITLE:                 ${WINDOW_TITLE}
       LOGO_IMG:                     ${LOGO_IMG}
diff --git a/env.dist b/env.dist
index 113d1f0..ee4de34 100644
--- a/env.dist
+++ b/env.dist
@@ -120,10 +120,11 @@ if [[  "${APPL_ENV}" != "prd" ]]
 then
     APPL_URL="http://localhost:${WA_PORT_MAIN_EXT}/${APPL_NAME}/"
 else
-    APPL_URL="https://arena-si.fr/tools/${APPL_NAME}/"
+    APPL_URL="https://private.arena-si.fr/tools/${APPL_NAME}/"
 fi
 
+MANTISBT_ADMIN="ENABLED"
+#MANTISBT_ADMIN="DISABLED"
+
 WA_IMG_EXT=./var/www/html/${APPL_NAME}/images-local
 WA_IMG_INT=${APACHE_DOC_ROOT}/${APPL_NAME}/images-local
-
-