Faster

Update dnsbl_check plugin to latest version.
Update Maruku to latest version.
In the wiki_controller, only apply the dnsbl_check before_filter 
  to the :edit, :new, and :save actions, instead of all actions.
  This makes mundane "show" requests faster, but does not 
  compromise spam-fighting ability.

app/controllers/admin_controller.rb

@@ -2,6 +2,7 @@ class AdminController < ApplicationController
 
   layout 'default'
   cache_sweeper :web_sweeper
+  before_filter :dnsbl_check
 
   def create_system
     if @wiki.setup?

app/controllers/application.rb

@@ -3,7 +3,7 @@
 class ApplicationController < ActionController::Base
 #  require 'dnsbl_check'
   protect_forms_from_spam
-  before_filter :dnsbl_check, :connect_to_model, :check_authorization, :setup_url_generator, :set_content_type_header, :set_robots_metatag
+  before_filter :connect_to_model, :check_authorization, :setup_url_generator, :set_content_type_header, :set_robots_metatag
   after_filter :remember_location, :teardown_url_generator
 
   # For injecting a different wiki model implementation. Intended for use in tests

app/controllers/file_controller.rb

@@ -7,7 +7,7 @@ class FileController < ApplicationController
 
   layout 'default'
   
-  before_filter :check_allow_uploads
+  before_filter :dnsbl_check, :check_allow_uploads
 
   def file
     @file_name = params['id']

app/controllers/wiki_controller.rb

@@ -7,6 +7,7 @@ require 'resolv'
 class WikiController < ApplicationController
 
   before_filter :load_page
+  before_filter :dnsbl_check, :only => [:edit, :new, :save]
   caches_action :show, :published, :authors, :tex, :s5, :print, :recently_revised, :list, 
         :atom_with_content, :atom_with_headlines, :if => Proc.new { |c| c.send(:do_caching?) }
   cache_sweeper :revision_sweeper