Re: firewalld

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On Tue, 2020-10-27 at 17:29 +0800, Ed Greshko wrote:
> On 26/10/2020 22:44, Michael J. Baars wrote:
> > Can someone please tell me how to close these ports on Fedora Workstation? And why does nmap report the ports as filtered on Fedora Workstation and as
> > open/close on Fedora Server?
> 
> I think you're not familiar with nmap and those definitions.
> 
> filtered means that inbound traffic is being blocked by a firewall rule.  Either on the destination or
> an intermediate device.
> 
> closed means there are no firewalls blocking but that no service is running on the port.

I see, probably my mistake, I though it were the Workstation ports the were reported as filtered.

> Example:
> 
> f33g is a GNOME spin using the FedoraWorkspace zone.
> f33k is a KDE spin using the public zone
> 
> [root@meimei ~]# nmap -p 65000 -6 f33g
> Starting Nmap 7.80 ( https://nmap.org ) at 2020-10-27 17:28 CST
> Nmap scan report for f33g (2001:b030:112f:2::51)
> Host is up (0.00041s latency).
> rDNS record for 2001:b030:112f:2::51: 2001-b030-112f-0002-0000-0000-0000-0051.hinet-ip6.hinet.net
> 
> PORT      STATE  SERVICE
> 65000/tcp closed unknown
> 
> [root@meimei ~]# nmap -p 65000 -6 f33k
> Starting Nmap 7.80 ( https://nmap.org ) at 2020-10-27 17:28 CST
> Nmap scan report for f33k (2001:b030:112f:2::53)
> Host is up (0.00040s latency).
> rDNS record for 2001:b030:112f:2::53: 2001-b030-112f-0002-0000-0000-0000-0053.hinet-ip6.hinet.net
> 
> PORT      STATE    SERVICE
> 65000/tcp filtered unknown
> 
> ---
> The key to getting good answers is to ask good questions.
> 
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