For historical reasons there is restrictions in most Linux distributions, even in most *nix operating systems, that requires a process to have root privileges to be able to open a listening port socket on ports lower than 1024.

There is a way to reconfigure this.

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#save configuration permanently
echo 'net.ipv4.ip_unprivileged_port_start=0' > /etc/sysctl.d/50-unprivileged-ports.conf
#apply conf
sysctl --system

Links

• https://superuser.com/questions/710253/allow-non-root-process-to-bind-to-port-80-and-443
• https://ar.al/2022/08/30/dear-linux-privileged-ports-must-die/