A punishment exerted upon bad, bad internet users by their ISP
's system administrator
s. Usually consists of all their incoming and outgoing packets routed to /dev/null
on router level.
If they really want to make your life even more confusing and make the punishment more severe, they'll permit ICMP
packets to go through. That way you can ping
hosts, but can't connect to them. Kinda like Chinese water-torture
for the digital age.