skip_before_filter doesn't work

[thiyagarajanth]

class ApplicationController < ActionController::Base
before_filter CASClient::Frameworks::Rails::Filter
end

class MyController < ApplicationController
before_filter CASClient::Frameworks::Rails::Filter, :except => :index

def index
# But here before_filter is triggered !
end
end

above code i want to skip the index action but it does't work what to do?

[lingzhuzi]

try:
class ApplicationController < ActionController::Base
before_filter :sso_filter

private
def sso_filter
CASClient::Frameworks::Rails::Filter.filter(self)
end
end

class MyController < ApplicationController
before_filter :sso_filter, :except => :index

def index

end
end