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 Thanks, Richard
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