diff --git a/app/models/profile.rb b/app/models/profile.rb
index 8a0e46c..042a5ec 100644
--- a/app/models/profile.rb
+++ b/app/models/profile.rb
@@ -318,7 +318,9 @@ class Profile < ActiveRecord::Base
   end
 
   def self.is_available?(identifier, environment, profile_id=nil)
-    return false unless identifier =~ IDENTIFIER_FORMAT && !RESERVED_IDENTIFIERS.include?(identifier)
+    return false unless identifier =~ IDENTIFIER_FORMAT &&
+      !RESERVED_IDENTIFIERS.include?(identifier) &&
+      (NOOSFERO_CONF['exclude_profile_identifier_pattern'].blank? || identifier !~ /#{NOOSFERO_CONF['exclude_profile_identifier_pattern']}/)
     return true if environment.nil?
 
     profiles = environment.profiles.where(:identifier => identifier)
diff --git a/config/noosfero.yml.dist b/config/noosfero.yml.dist
index e4df627..0284faa 100644
--- a/config/noosfero.yml.dist
+++ b/config/noosfero.yml.dist
@@ -10,6 +10,7 @@ development:
   exception_recipients: [admin@example.com]
   max_upload_size: 5MB
   hours_until_user_activation_check: 72
+  exclude_profile_identifier_pattern: index(\..*)?|home(\..*)?
 
 test:
 
diff --git a/test/unit/profile_test.rb b/test/unit/profile_test.rb
index 8777f77..c605084 100644
--- a/test/unit/profile_test.rb
+++ b/test/unit/profile_test.rb
@@ -1613,6 +1613,16 @@ class ProfileTest < ActiveSupport::TestCase
     assert_equal false, Profile.is_available?('identifier-test', Environment.default)
   end
 
+  should 'not be available if identifier match with custom exclusion pattern' do
+    NOOSFERO_CONF.stubs(:[]).with('exclude_profile_identifier_pattern').returns('identifier.*')
+    assert_equal false, Profile.is_available?('identifier-test', Environment.default)
+  end
+
+  should 'be available if identifier do not match with custom exclusion pattern' do
+    NOOSFERO_CONF.stubs(:[]).with('exclude_profile_identifier_pattern').returns('identifier.*')
+    assert_equal false, Profile.is_available?('test-identifier', Environment.default)
+  end
+
   should 'not have long descriptions' do
     long_description = 'a' * 600
     profile = Profile.new
--
libgit2 0.21.2