On 2019-10-29 21:40, Giuseppe Sforza wrote:
Giuseppe Scrivano wrote on 29.10.2019 13:54 (GMT +01:00):
An unprivileged user cannot use port < 1024.
We document the differences between rootless and root containers here: https://github.com/containers/libpod/blob/master/rootless.md
To solve the issue you have reported, you can either try to use a port bigger than 1023; or as root, tweak the value in /proc/sys/net/ipv4/ip_unprivileged_port_start.
Giuseppe
I can replicate this on CentOS 8. I guess in this specific case it has to do with the version of podman available for CentOS.
See: $ podman run -d -p 8080:8080 nginx:latest port bindings are not yet supported by rootless containers
In the case of Fedora it actually has to do with the privileged ports, I guess.
-- Giuseppe Sforza
This will be resolved once RHEL/CentOS 8.1 are available. Podman 1.0, as shipped in Cent/RHEL 8.0, is very old, and rootless support was still in beta at that point. The 1.4.2 version shipping in 8.1 is a lot more recent, and rootless is fully supported, including port bindings. Thanks, Matt Heon
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