On Sat, Aug 10, 2024 at 4:23 PM Franta Hanzlík via users < users@lists.fedoraproject.org> wrote:
> On Sat, 10 Aug 2024 16:08:50 -0500 > Richard Shaw <hobbes1...@gmail.com> wrote: > > > On Sat, Aug 10, 2024 at 3:43 PM Samuel Sieb <sam...@sieb.net> wrote: > > > > > On 8/10/24 1:07 PM, Richard Shaw wrote: > > > > I'm attempting to run a service on port 443 but no matter what I do, > > > > nmap reports the port is closed. Both systems are Fedora 40. > > > > > > > > On the server: > > > > # firewall-cmd --add-service=https > > > > success > > > > # firewall-cmd --runtime-to-permanent > > > > success > > > > # firewall-cmd --reload > > > > success > > > > # firewall-cmd --list-services > > > > cockpit dhcpv6-client http https mqtt mqtt-tls postgresql ssh > > > > > > > > On my desktop: > > > > $ nmap -p 443 <IP address> > > > > Starting Nmap 7.95 ( https://nmap.org <https://nmap.org> ) at > > > 2024-08-10 > > > > 15:03 CDT > > > > Nmap scan report for r2d2.localdomain (<IP Address>) > > > > Host is up (0.00038s latency). > > > > > > > > PORT STATE SERVICE > > > > 443/tcp closed https > > > > > > That means it's open from the firewall side, but nothing is listening > on > > > the port. > > > > > > > Which is interesting because `ss -tapn` shows otherwise and the log for > > mosquitto agrees: > > > > 1723324003: Config loaded from /mosquitto/config/mosquitto.conf. > > 1723324003: Opening ipv4 listen socket on port 1883. > > 1723324003: Opening ipv6 listen socket on port 1883. > > 1723324003: Opening ipv4 listen socket on port 8883. > > 1723324003: Opening websockets listen socket on port 443. > > 1723324003: mosquitto version 2.0.18 running > > -- > > And does it also listen on the external interface, and not just on the > loopback? > I have not specified an IP address so it should be listening to all ports. Ports 1883 and 8883 are working. Thanks, Richard
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