stealth

  1. A

    BSNL FTTH - Open ports issue

    BSNL has modified the firmware on the FTTH modem and when I run a Shields Up test it shows that ports 23, 53, and 80 are open. There could be others too. How can I "stealth" all of these when there are no option on the FTTH modem admin page? I've connected the FTTH modem (192.168.1.1) to an...