diff --git a/divers/bind/mkzone b/divers/bind/mkzone
index 33aee57..49782c3 100755
--- a/divers/bind/mkzone
+++ b/divers/bind/mkzone
@@ -1,14 +1,23 @@
-#!/bin/bash
-set -u
-set -e
+#!/usr/bin/env bash
+
+set -Eeuo pipefail
+trap cleanup SIGINT SIGTERM ERR EXIT
+
 # cree les fichiers de configuration bind9 
 #  - ficher de zone directe
 #  - ficher de zone inverse
 #
 
+version="1.1"
 zone="domaine.lan"
+slave=0
 
 
+cleanup() {
+  trap - SIGINT SIGTERM ERR EXIT
+  # script cleanup here
+}
+
 initialize () {
 readonly zonenet="192.168.56"
 readonly zonerev="56.168.192.in-addr.arpa"
@@ -31,17 +40,10 @@ readonly zonep="${zone}."
 readonly date=$(date +%Y%m%d00)
 }
 
-if [[ $# != 1 ]] ; then
-   echo "usage : $0 <dns-zone>"
-   exit 1
-fi 
-zone=$1
-initialize
-
-
+mkconflocal () {
+if [[ "${slave}" != 1 ]] ; then
 echo "Generation fichier named.conf.local ..."
 cat <<EOT > "named.conf.local"
-
 # fichier zone ${zone}
 # le $(date)
 
@@ -52,11 +54,31 @@ zone "${zone}" {
 
 zone "${zonerev}" {
     type master;
-    file "/etc/bind/db.${zone}.rev";  # zone inverse 
+};
+EOT
+else 
+echo "Generation fichier named.conf.local ..."
+cat <<EOT > "named.conf.local"
+# fichier zone ${zone}
+# le $(date)
+
+zone "${zone}" {
+    type slave;
+    file "/var/cache/bind/db.${zone}"; # zone directe
+    masters { ${nsip} ; };
+};
+
+zone "${zonerev}" {
+    type slave;
+    file "/var/cache/bind/db.${zone}.rev"; # zone directe
+    masters { ${nsip} ; };
 };
 
 EOT
+fi
+}
 
+mkzdirrect () {
 # fichier de zone directe 
 echo "Generation fichier de zone directe db.${zone} ..."
 cat <<EOT > "db.${zone}"
@@ -86,7 +108,9 @@ ${nsname2}         IN   A     ${nsip2}
                    IN   AAAA  2001:DB8:BEEF:100::22
 
 EOT
+}
 
+mkzreverse () {
 echo "Generation fichier de zone inverse db.${zone}.rev ..."
 cat <<EOT > "db.${zone}.rev"
 ; fichier zone inverse ${zone}
@@ -109,6 +133,9 @@ ${nsiprev2}      IN   PTR     ${nsname2}.${zone}.
 
 EOT
 
+}
+
+mkresolv () {
 echo "Generation fichier /etc/resolv.conf ..."
 cat <<EOT > "/etc/resolv.conf"
 
@@ -118,5 +145,99 @@ domain ${zone}
 search ${zone}
 nameserver 127.0.0.1
 EOT
+}
 
+script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)
 
+usage() {
+  cat <<EOF # remove the space between << and EOF, this is due to web plugin issue
+Usage: $(basename "${BASH_SOURCE[0]}") [-h] [-v] [-f] -p param_value zone [arg2...]
+
+Script description here.
+
+Available options:
+
+-h, --help      Print this help and exit
+-v, --verbose   Print script debug info
+-s, --slave      Some flag description
+-p, --param     Some param description
+EOF
+  exit
+}
+
+cleanup() {
+  trap - SIGINT SIGTERM ERR EXIT
+  # script cleanup here
+}
+
+setup_colors() {
+  if [[ -t 2 ]] && [[ -z "${NO_COLOR-}" ]] && [[ "${TERM-}" != "dumb" ]]; then
+    NOFORMAT='\033[0m' RED='\033[0;31m' GREEN='\033[0;32m' ORANGE='\033[0;33m' BLUE='\033[0;34m' PURPLE='\033[0;35m' CYAN='\033[0;36m' YELLOW='\033[1;33m'
+  else
+    NOFORMAT='' RED='' GREEN='' ORANGE='' BLUE='' PURPLE='' CYAN='' YELLOW=''
+  fi
+}
+
+msg() {
+  echo >&2 -e "${1-}"
+}
+
+die() {
+  local msg=$1
+  local code=${2-1} # default exit status 1
+  msg "$msg"
+  exit "$code"
+}
+
+parse_params() {
+  # default values of variables set from params
+  flag=0
+  param=''
+
+  while :; do
+    case "${1-}" in
+    -h | --help) usage ;;
+    --no-color) NO_COLOR=1 ;;
+    -s | --slave) flag=1 ;; # example flag
+#    -p | --param) # example named parameter
+#      param="${2-}"
+#      shift
+#      ;;
+    -?*) die "Unknown option: $1" ;;
+    *) break ;;
+    esac
+    shift
+  done
+
+  args=("$@")
+
+  # check required params and arguments
+#  [[ -z "${param-}" ]] && die "Missing required parameter: param"
+  [[ ${#args[@]} -eq 0 ]] && die "Missing script arguments"
+
+  return 0
+}
+
+parse_params "$@"
+setup_colors
+
+# script logic here
+
+#msg "${RED}Read parameters:${NOFORMAT}"
+#msg "- flag: ${flag}"
+#msg "- param: ${param}"
+#msg "- arguments: ${args[*]-}"
+
+zone="${args[0]-}"
+slave="${flag}"
+initialize
+if [[ ${flag} != 1 ]] ; then
+	mkconflocal
+	mkzdirect
+	mkzreverse
+	mkresolv
+else
+	mkconflocal
+	mkresolv
+fi
+exit 0