On Feb 26, 2016 8:34 AM, "Keith Medcalf" <kmedc...@dessus.com> wrote: > > > ISP's should block nothing, to or from the customer, unless they make it clear *before* selling the service (and include it in the Terms and Conditions of Service Contract), that they are not selling an Internet connection but are selling a partially functional Internet connection (or a limited Internet Service), and specifying exactly what the built-in deficiencies are. > > Deficiencies may include: > port/protocol blockage toward the customer (destination blocks) > port/protocol blockage toward the internet (source blocks) > DNS diddling (filtering of responses, NXDOMAIN redirection/wildcards, etc) > Traffic Shaping/Policing/Congestion policies, inbound and outbound > > Some ISPs are good at this and provide opt-in/out methods for at least the first three on the list. Others not so much. >
Every ISP I have felt with that messes with the DNS, has no valid opt-out other than using different DNS. The opt-out they use is a HTTP cookie, which only works for web browsers. It doesn't work for any other program.
