On 3/20/06, G.W. Haywood <ged(_at_)jubileegroup(_dot_)co(_dot_)uk> wrote:
Is there any reason why these purveyors of crap on the Internet don't
prevent their customers making outgoing connections on port 25 except
to one of their own servers?
Because their customers are paying for a network connection, not for a
connection to everything except port 25?
You have every right to configure your network to refuse connections
from anyone, on any port, for any reason. You don't have the right to
tell any other two networks that they're not allowed to connect --
unless you own some portion of the intervening infrastructure, in
which case those other two networks have every right to route around
you, which in Verizon's case would mean their customers leave them for
another ISP. Follow the money.
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