added AVAHI_INTERFACES option

Author: MarvAmBass

README.md

@@ -50,6 +50,8 @@ _all of those variants are automatically build and generated in one go_
 
 ## Changelogs
 
+* 2025-11-21
+    * added `AVAHI_INTERFACES` env to control avahi configuration option: `allow-interfaces`
 * 2025-09-02
     * improved `[global]` setting `vfs objects = streams_xattr`
         * `streams_xattr` is needed for macOS / iOS integration
@@ -197,6 +199,10 @@ If you experience Problems, take a look at this file: [TROUBLESHOOTING.md](TROUB
     * _optional_ name of avahi samba service
     * _default:_ _hostname_
 
+* __AVAHI\_INTERFACES__
+    * _optional_ set value for avahis `allow-interfaces` config option.
+    * _default:_ listens to all interfaces
+
 * __AVAHI\_DISABLE__
     * _optional_
     * default not set - set to any value to disable avahi Service

scripts/entrypoint.sh

@@ -274,7 +274,8 @@ if [ ! -f "$INITALIZED" ]; then
   done
 
   [ ! -z ${AVAHI_NAME+x} ] && echo ">> ZEROCONF: custom avahi samba.service name: $AVAHI_NAME" && sed -i 's/%h/'"$AVAHI_NAME"'/g' /etc/avahi/services/samba.service
-  [ ! -z ${AVAHI_NAME+x} ] && echo ">> ZEROCONF: custom avahi avahi-daemon.conf host-name: $AVAHI_NAME" && sed -i "s/#host-name=foo/host-name=${AVAHI_NAME}/" /etc/avahi/avahi-daemon.conf
+  [ ! -z ${AVAHI_NAME+x} ] && echo ">> ZEROCONF: custom avahi avahi-daemon.conf host-name: $AVAHI_NAME" && sed -i "s/#host-name=.*/host-name=${AVAHI_NAME}/" /etc/avahi/avahi-daemon.conf
+  [ ! -z ${AVAHI_INTERFACES+x} ] && echo ">> ZEROCONF: custom avahi avahi-daemon.conf allow-interfaces: $AVAHI_INTERFACES" && sed -i "s/#allow-interfaces=.*/allow-interfaces=${AVAHI_INTERFACES}/" /etc/avahi/avahi-daemon.conf
 
   echo ">> ZEROCONF: samba.service file"
   echo "############################### START ####################################"