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####> This option file is used in: ####> podman machine init, machine set ####> If file is edited, make sure the changes ####> are applicable to all of those.
--user-mode-networking
Indicates that this machine relays traffic from the guest through a user-space
process running on the host. In some VPN configurations the VPN may drop
traffic from alternate network interfaces, including VM network devices. By
enabling user-mode networking (a setting of true), VPNs observe all
podman machine traffic as coming from the host, bypassing the problem.
When the qemu backend is used (Linux, Mac), user-mode networking is
mandatory and the only allowed value is true. In contrast, The Windows/WSL
backend defaults to false, and follows the standard WSL network setup.
Changing this setting to true on Windows/WSL informs Podman to replace
the WSL networking setup on start of this machine instance with a user-mode
networking distribution. Since WSL shares the same kernel across
distributions, all other running distributions reuses this network.
Likewise, when the last machine instance with a true setting stops, the
original networking setup is restored.