diff --git a/app/models/profile.rb b/app/models/profile.rb
index d74765c..5e13a62 100644
--- a/app/models/profile.rb
+++ b/app/models/profile.rb
@@ -3,11 +3,21 @@
 # which by default is the one returned by VirtualCommunity:default.
 class Profile < ActiveRecord::Base
 
+  # These names cannot be used as identifiers for Profiles
+  RESERVED_IDENTIFIERS = %w[
+  admin
+  customize
+  cms
+  system
+  community
+  ]
+
   has_many :domains, :as => :owner
   belongs_to :virtual_community
 
   validates_presence_of :identifier
   validates_format_of :identifier, :with => /^[a-z][a-z0-9_]+[a-z0-9]$/
+  validates_exclusion_of :identifier, :in => RESERVED_IDENTIFIERS
 
   # creates a new Profile. By default, it is attached to the default
   # VirtualCommunity (see VirtualCommunity#default), unless you tell it
diff --git a/config/routes.rb b/config/routes.rb
index 2757e85..3a818ac 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -9,6 +9,12 @@ ActionController::Routing::Routes.draw do |map|
   # map.purchase 'products/:id/purchase', :controller => 'catalog', :action => 'purchase'
   # This route can be invoked with purchase_url(:id => product.id)
 
+  # administrative tasks for a virtual community
+  map.connect 'admin/:controller/:action/:id'
+
+  # profile customization for profiles
+  map.connect 'customize/:profile/:controller/:action/:id'
+
   # You can have the root of your site routed by hooking up '' 
   # -- just remember to delete public/index.html.
   map.connect '', :controller => "home"
@@ -19,4 +25,7 @@ ActionController::Routing::Routes.draw do |map|
 
   # Install the default route as the lowest priority.
   map.connect ':controller/:action/:id'
+
+  # TODO: comatose here
+
 end
--
libgit2 0.21.2