diff --git a/index.js b/index.js
index 62363f2..41a2538 100644
--- a/index.js
+++ b/index.js
@@ -175,52 +175,106 @@ const botSay = (where, what, dontDisplayRadio, forceSend) => {
 const actions = (where, message, from) => {
   const exploded = message.split(' ')
 
+  let allowedCmds = ['ALL']
+  if (process.env.AVAILABLE_CMD) {
+    allowedCmds = process.env.AVAILABLE_CMD.split(',')
+  }
+  if (where.indexOf('#') === 0 && process.env[`AVAILABLE_CMD_${where.replace('#', '')}`]) {
+    allowedCmds = process.env[`AVAILABLE_CMD_${where.replace('#', '')}`].split(',')
+  }
+
+  const unknowmCmd = () => {
+    if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!help') !== -1) {
+      botSay(where, 'Commande inconnue, tape !help si tu es perdu', false, true)
+    } else {
+      botSay(where, 'Commande inconnue...', false, true)
+    }
+  }
+
   // Le message publié est pour le bot
   if (exploded[0].indexOf(process.env.IRC_NICKNAME) === 0) {
     switch (exploded[1]) {
       case '!artist':
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!artist') !== -1) {
+          artistSong.action(exploded[1].replace('!', ''), botSay, from, currentSong, exploded)
+        } else {
+          unknowmCmd()
+        }
+        break
       case '!song':
-        artistSong.action(exploded[1].replace('!', ''), botSay, from, currentSong, exploded)
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!song') !== -1) {
+          artistSong.action(exploded[1].replace('!', ''), botSay, from, currentSong, exploded)
+        } else {
+          unknowmCmd()
+        }
         break
       case '!help':
-        Help.show(botSay, where, exploded)
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!help') !== -1) {
+          Help.show(botSay, where, exploded, allowedCmds)
+        } else {
+          unknowmCmd()
+        }
         break
       case '!when':
-        when.action(botSay, where, exploded)
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!when') !== -1) {
+          when.action(botSay, where, exploded)
+        } else {
+          unknowmCmd()
+        }
         break
       case '!stats':
-        stats.action(botSay, where, exploded)
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!stats') !== -1) {
+          stats.action(botSay, where, exploded)
+        } else {
+          unknowmCmd()
+        }
         break
       case '!list':
-        list.action(botSay, where, exploded)
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!list') !== -1) {
+          list.action(botSay, where, exploded)
+        } else {
+          unknowmCmd()
+        }
         break
       case '!notifications':
-        preferences.notifications(botSay, where, from, exploded)
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!notifications') !== -1) {
+          preferences.notifications(botSay, where, from, exploded)
+        } else {
+          unknowmCmd()
+        }
         break
       case '!stream':
-        botSay(where, process.env.PUBLIC_RADIO_STREAM)
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!stream') !== -1) {
+          botSay(where, process.env.PUBLIC_RADIO_STREAM)
+        } else {
+          unknowmCmd()
+        }
         break
       case '!mute':
-        if (exploded[2] && ['on', 'off', 'state'].indexOf(exploded[2]) !== -1) {
-          switch (exploded[2]) {
-            case 'on':
-              isMute = true
-              botSay(where, "Pff ! c'est toujours pareil ici :'(", false, true)
-              break
-            case 'off':
-              isMute = false
-              botSay(where, "Merci ! j'avais tellement de chose à te dire...", false, true)
-              break
-            default:
-              botSay(where, isMute ? 'Je ne dirais rien !' : "T'inquiète ! tu vas l'avoir ta notif !", false, true)
+        if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!mute') !== -1) {
+          if (exploded[2] && ['on', 'off', 'state'].indexOf(exploded[2]) !== -1) {
+            switch (exploded[2]) {
+              case 'on':
+                isMute = true
+                botSay(where, "Pff ! c'est toujours pareil ici :'(", false, true)
+                break
+              case 'off':
+                isMute = false
+                botSay(where, "Merci ! j'avais tellement de chose à te dire...", false, true)
+                break
+              default:
+                botSay(where, isMute ? 'Je ne dirais rien !' : "T'inquiète ! tu vas l'avoir ta notif !", false, true)
+            }
+          } else {
+            botSay(where, '!help mute', false, true)
           }
         } else {
-          botSay(where, '!help mute', false, true)
+          unknowmCmd()
         }
 
         break
       default:
-        botSay(where, 'Commande inconnue, tape !help si tu es perdu', false, true)
+        unknowmCmd()
         break
     }
   }
diff --git a/libs/Help.js b/libs/Help.js
index b7b32e8..dad8f70 100644
--- a/libs/Help.js
+++ b/libs/Help.js
@@ -9,46 +9,83 @@ class Help {
    * @param  {Function} say
    * @param  {String} where
    * @param  {Array} args
+   * @param  {Array} allowedCmds
    */
-  static show (say, where, args) {
+  static show (say, where, args, allowedCmds) {
     if (args.length > 2) {
       switch (args[2]) {
         case '!artist':
+          if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!artist') !== -1) {
+            Help.showArtistSong(say, where, args)
+          }
+          break
         case '!song':
-          Help.showArtistSong(say, where, args)
+          if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!song') !== -1) {
+            Help.showArtistSong(say, where, args)
+          }
           break
         case '!stats':
-          Help.showStats(say, where)
+          if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!stats') !== -1) {
+            Help.showStats(say, where)
+          }
           break
         case '!when':
-          Help.showWhen(say, where)
+          if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!when') !== -1) {
+            Help.showWhen(say, where)
+          }
           break
         case '!list':
-          Help.showList(say, where)
+          if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!list') !== -1) {
+            Help.showList(say, where)
+          }
           break
         case '!notifications':
-          Help.showNotifications(say, where)
+          if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!notifications') !== -1) {
+            Help.showNotifications(say, where)
+          }
           break
         case '!stream':
-          Help.showStream(say, where)
+          if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!stream') !== -1) {
+            Help.showStream(say, where)
+          }
           break
         case '!mute':
-          Help.showMute(say, where)
+          if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!mute') !== -1) {
+            Help.showMute(say, where)
+          }
           break
         default:
           break
       }
     } else {
       this.say(say, where, 'IRC Radio Bot :: Help')
-      this.say(say, where, '!artist <add/del> {nom à sauvegarder si différent du morceau en cours}')
-      this.say(say, where, '!song <add/del> {nom à sauvegarder si différent du morceau en cours}')
-      this.say(say, where, '!stats <period> {artist/song}')
-      this.say(say, where, '!when <period> <artist/song>')
-      this.say(say, where, '!list <period> <artist/song>')
-      this.say(say, where, '!help {command}')
-      this.say(say, where, '!notifications <on/off/state>')
-      this.say(say, where, '!stream')
-      this.say(say, where, '!mute <on/off/state>')
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!artist') !== -1) {
+        this.say(say, where, '!artist <add/del> {nom à sauvegarder si différent du morceau en cours}')
+      }
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!song') !== -1) {
+        this.say(say, where, '!song <add/del> {nom à sauvegarder si différent du morceau en cours}')
+      }
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!stats') !== -1) {
+        this.say(say, where, '!stats <period> {artist/song}')
+      }
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!when') !== -1) {
+        this.say(say, where, '!when <period> <artist/song>')
+      }
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!list') !== -1) {
+        this.say(say, where, '!list <period> <artist/song>')
+      }
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!help') !== -1) {
+        this.say(say, where, '!help {command}')
+      }
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!notifications') !== -1) {
+        this.say(say, where, '!notifications <on/off/state>')
+      }
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!stream') !== -1) {
+        this.say(say, where, '!stream')
+      }
+      if (allowedCmds[0] === 'ALL' || allowedCmds.indexOf('!mute') !== -1) {
+        this.say(say, where, '!mute <on/off/state>')
+      }
     }
     this.say(say, where, '__ END __')
   }