Providers removing blocks on port 135?

Miquel van Smoorenburg miquels at cistron.nl
Sun Sep 21 09:47:15 UTC 2003


In article <cistron.Pine.LNX.4.44.0309202021530.25380-100000 at bubba.numbnuts.net>,
Justin Shore  <listuser at numbnuts.net> wrote:
>Now I'm going to get even more off-topic.  It occurs to me that major
>changes to a protocol such as SMTP getting auth should justify utilizing a
>different tcp/ip port.  Think about it like this.  If authenticated forms
>of SMTP used a different TCP/IP port we netadms could justify leaving that
>port open on these same dynamically assigned netblocks in the theory that
>they are only able to connect to other authenticated SMTP services.  
>Doesn't that seem logical?

That's not exactly a new idea.

http://www.faqs.org/rfcs/rfc2476.html  (december 1998).

Mike.



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