Re: Thank you, Comcast.

[Blake Hudson <blake () ispn net>]

Livingood, Jason wrote on 2/26/2016 9:12 AM:
> FWIW, Comcast's list of blocked ports is at 
> http://customer.xfinity.com/help-and-support/internet/list-of-blocked-ports/. The suspensions this week are in direct 
> response to reported abuse from amplification attacks, which we obviously take very seriously.
>
> We are in the process of considering adding some new ports to this block list right now, and one big suggestion is 
> SSDP. If you have any others you wish to suggest please send them to me and the guy on the cc line (Nirmal Mody).
>
> Thanks!
> Jason

Jason, how do you propose to block SSDP without also blocking legitimate 
traffic as well (since SSDP uses a port > 1024 and is used as part of 
the ephemeral port range on some devices) ? Is the downside of blocking 
(admittedly a small amount of) legitimate user traffic worth the upside? 
And is this practice /Open Internet/ friendly?

--Blake