Yes, there is probably it another device/firewall between the client and server.
But the ssh works fine
> Sent: Sunday, February 16, 2020 at 11:08 AM
> From: "Ed Greshko" <ed.greshko(a)greshko.com>
> To: users(a)lists.fedoraproject.org
> Subject: Re: open port
>
> On 2020-02-16 17:33, Samuel Sieb wrote:
> > On 2/16/20 1:20 AM, Patrick Dupre wrote:
> >> nmap -v -n -Pn -p5900-5906 localhost
> >> PORT STATE SERVICE
> >> 5900/tcp closed vnc
> >> 5901/tcp open vnc-1
> >> 5902/tcp closed vnc-2
> >> 5903/tcp closed vnc-3
> >> 5904/tcp closed unknown
> >> 5905/tcp closed unknown
> >> 5906/tcp closed unknown
> >
> > Now you have it running, so the next step is to figure out how to ask firewalld
to allow connections to that port. I recommend the graphical interface. In any case be
aware of the difference between the running config and the saved config.
>
> He does seem to have it running on the "localhost". But the status of
"closed" makes me suspicious
> That there is another device/firewall between the client and server. Notice his
client is connecting
> to 193.52.235.60.
>
> I say this since it has been my experience if a firewalld rule is blocking a
connection it will show up
> as "filtered".
>
> For example, f32k is the server and meimei the client. Using ssh as the example
server.
>
> With sshd running on the server and firewall open.
>
> PORT STATE SERVICE
> 22/tcp open ssh
>
> With sshd stopped
>
> PORT STATE SERVICE
> 22/tcp closed ssh
>
> And with sshd stopped and firewalld configured to disallow the sshd server
>
> PORT STATE SERVICE
> 22/tcp filtered ssh
>
> And, for completeness, with sshd running and firewalld configured to disallow the
sshd server
>
> PORT STATE SERVICE
> 22/tcp filtered ssh
>
> I am wondering if he needs to add a "port forward" rule on 193.52.235.60 to
connect to the
> "real" vnc-server behind a router's firewall.
>
> --
> The key to getting good answers is to ask good questions.
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