# File lib/net/ssh/service/forward.rb, line 146
146:     def cancel_remote(port, host="127.0.0.1")
147:       session.send_global_request("cancel-tcpip-forward", :string, host, :long, port) do |success, response|
148:         if success
149:           @remote_forwarded_ports.delete([port, host])
150:         else
151:           raise Net::SSH::Exception, "could not cancel remote forward request on #{host}:#{port}"
152:         end
153:       end
154:     end