def bind
            conn = Net::LDAP.new :host => @config[:server],
                                 :port => @config[:port],
                                 :base => @config[:base]
            if @config[:encryption]
               conn.encryption @config[:encryption]
            end
            
            raise "Anonymous Bind is disabled" if @config[:password] == "" && !(@config[:anonymous_bind])
            
            conn.auth "#{@config[:username]}@#{@config[:domain]}", @config[:password]
            
            begin
                Timeout::timeout(10){
                    if conn.bind
                        return conn
                    else
                        raise 'Query User Rejected'
                    end
                }
            rescue Timeout::Error
                raise 'Unable to connect to LDAP Server'
            rescue Errno::ECONNRESET
              if @config[:allow_fallback]
                @config[:port] = @config[:allow_fallback]
                @config[:encryption] = false
                return Adauth::Connection.new(@config).bind
              end
            end
        end
def bind
            conn = Net::LDAP.new :host => @config[:server],
                                 :port => @config[:port],
                                 :base => @config[:base]
            if @config[:encryption]
               conn.encryption @config[:encryption]
            end
            
            raise "Anonymous Bind is disabled" if @config[:password] == "" && !(@config[:anonymous_bind])
            
            conn.auth "#{@config[:username]}@#{@config[:domain]}", @config[:password]
            
            begin
                Timeout::timeout(10){
                    if conn.bind
                        return conn
                    else
                        raise 'Query User Rejected'
                    end
                }
            rescue Timeout::Error
                raise 'Unable to connect to LDAP Server'
            rescue Errno::ECONNRESET
              if @config[:allow_fallback]
                @config[:port] = @config[:allow_fallback]
                @config[:encryption] = false
                return Adauth::Connection.new(@config).bind
              end
            end
        end
Attempts to bind to Active Directory

 If it works it returns the connection

 If it fails it raises and exception