SHAKEN/STIR Robocall Summit - July 11 2019 at FCC

Tue Jul 9 01:12:08 UTC 2019

Jon Callas, Eric Allman, the IETF security geek contingent and even me 
disagree with you. rfc 4871 disagrees with you. STD 76 disagrees with 
you. Trillions of signed messages disagree with you. Steve Bellovin 
probably disagrees with you too since you seem to be under the illusion 
that a reverse DNS lookup tells you anything useful.

::eyeroll::

Mike

On 7/8/19 6:06 PM, Keith Medcalf wrote:
> Wow!
>
> You must not know much about networking or programming if you do not know how to ask the OS to tell you the address/port associated with the "other end" of a TCP connection.  Obviously you know who is sending the message since they are in bidirectional communication with you at the time you are receiving the message, and you need to know where to send the "carry on James" prompts to get them to send more data...
>
> Therefore you always know who submitted a message.
>