Once logged out user cannot return to meeting without the server validating their entrance.

labs/meteor-client/client/globals.coffee

@@ -55,6 +55,7 @@ Meteor.methods
     setInSession("meetingName", null)
     setInSession("bbbServerVersion", "0.90")
     setInSession("userName", null) 
+    Meteor.validUser = true
 
 @getUsersName = ->
   name = getInSession("userName") # check if we actually have one in the session

labs/meteor-client/client/main.coffee

@@ -9,6 +9,8 @@ Meteor.startup ->
 			amplify.store(key, value);
 		},
 	});`
+	if getInSession("userId") is "SIGNED_OUT"
+		Router.go("logout")
 
 	SessionAmplify.set "display_usersList", true
 	SessionAmplify.set "display_navbar", true
@@ -36,7 +38,16 @@ Template.header.events
 		toggleMic @
 	"click .signOutIcon": (event) ->
 		Meteor.call("userLogout", getInSession("meetingId"), getInSession("userId"))
-		Session.set "display_navbar", false # needed to hide navbar when the layout template renders
+		setInSession "display_navbar", false # needed to hide navbar when the layout template renders
+		# wipe session
+		Session.keys = {}
+		Session.keyDeps = {}
+		Session.keyDepsDeps = {}
+		# # wipe persisted session
+		SessionAmplify.keys = {}
+		SessionAmplify.keyDeps = {}
+		SessionAmplify.keyDepsDeps = {}
+		Meteor.validUser = false
 		Router.go('logout');
 	"click .hideNavbarIcon": (event) ->
 		toggleNavbar()

labs/meteor-client/lib/router.coffee

@@ -1,3 +1,4 @@
+Meteor.validUser = false
 Router.configure layoutTemplate: 'layout'
 
 Router.map ->
@@ -42,6 +43,9 @@ Router.map ->
       Meteor.subscribe 'shapes', getInSession('meetingId')
       Meteor.subscribe 'slides', getInSession('meetingId')
       Meteor.subscribe 'meetings', getInSession('meetingId')
+      if Meteor.validUser is false
+        @redirect("logout")
 
   @route "logout",
     path: "logout"
+