# File lib/net/ssh/service/forward.rb, line 156
156:     def cancel_remote(port, host="127.0.0.1")
157:       session.send_global_request("cancel-tcpip-forward", :string, host, :long, port) do |success, response|
158:         if success
159:           @remote_forwarded_ports.delete([port, host])
160:         else
161:           raise Net::SSH::Exception, "could not cancel remote forward request on #{host}:#{port}"
162:         end
163:       end
164:     end