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Re: [ietf-smtp] SMTP Over TLS on Port 26 - Implicit TLS Proposal

2019-01-08 21:03:50


On 9 Jan 2019, at 1:59 pm, Viruthagiri Thirumavalavan 
<giri(_at_)dombox(_dot_)org> wrote:

The point is that when it's *that* easy to get the information indirectly, 
you're
not providing actual security, you're providing security theater.

It's not *that* easy. And that's my whole point. There are ptr records that 
points to in-addr.arpa rather than real domain. 
But if you believe this proposal is pointless, then I'll take your vote as 
"No" for this proposal.

So the snooper just makes a connection over port 26 to the server to fill in 
the missing
information if they want it.

Thanks 

On Wed, Jan 9, 2019 at 8:08 AM <valdis(_dot_)kletnieks(_at_)vt(_dot_)edu> 
wrote:
On Wed, 09 Jan 2019 07:38:14 +0530, Viruthagiri Thirumavalavan said:

Not every PTR queries resolves to the correct domain.

74.125.129.26 => jm-in-f26.1e100.net (A google IP address, but point to a
different domain owned by google)

I would be ok with indirectly someone getting the info rather than directly
providing it.

The point is that when it's *that* easy to get the information indirectly, 
you're
not providing actual security, you're providing security theater.


-- 
Best Regards,

Viruthagiri Thirumavalavan
Dombox, Inc.
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