On 29/06/2024 18.19, Rob Hallam wrote:
On Sat, 29 Jun 2024 at 22:35, Mark Filipak <markfilipak.i...@gmail.com> wrote:
Only if your router is misconfigured to let all ports through to your
internal network by default. If it does, then a relatively uncommon
piece of MPEG software will be the least of your problems.
That is not true, and if Oliver used his head, he'd know it's not true.
1 - Blackmagic is not reprogramming routers to allow ports into LANs. Ports are
allowed in by default.
Thought experiment for you:
Suppose that is true, and I install Resolve on two of my PCs, and one
of BMD clients who has had access sold to them -- as you put it --
tries to connect to my address over IPv4 to one of those ports. Which
PC would answer the connection? Same question, different phrasing: to
which device's port would it go?
To the port of the IP that the remote system supplies. If there are two systems, A and B, and the
remote user addresses A over that port, then A is accessed. If on the other hand, the remote user
addresses B over that port, then B is accessed. A and B have differing IP addresses. They are on the
same LAN, but they have 2 differing IPs. For example, a class C LAN can have up to 255 computers on
the LAN, but each computer has a different IP address.
Don't listen to Oliver or Phil or Jim or others. They are far too permissive
and ignorant. Use your
own head.
Lots of programs listen on inbound ports:
$ lsof -i -n | grep vlc
vlc 1657953 rob 11u IPv4 40096648 0t0 TCP *:8080 (LISTEN)
vlc 1657953 rob 12u IPv6 40096649 0t0 TCP *:8080 (LISTEN)
Not on my system.
The sky is not falling.
Even a good program, if it opens a port, opens a vulnerability. You are risking the life of your
computer on the strength of the listener they put on that port. The truth is: There's no good reason
a computer should ever open inbound ports.
You are free not to use the software and grumble about open ports if
you like, no big deal. However, it is poor form to accuse them of
enabling viruses ...
I didn't 'say' that. That's what you think I 'said'.
... and worse to accuse them of selling malicious access.
I didn't 'say' that, either.
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