Anyone got a good example of an access list that will block all or the required ports in to make a cisco route look invisible to an ISP (ie for dialup).ie block / hide ports and the connected router.Any help would be great.

HI,I've configured a 1601 for ISP dialup using an external modem. I want to lock all the services down so that anyone sniffing the connection sees nothing.I have turned of IP HTTP SERVER and FINGER, but cant find a way of turning off / disabling the ...