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When using ecflowUI outside ECMWF the system server lists list files are not automatically accessible and you need to configure them manually. However, when it is done they will automatically transferred from the remote SOCKS host and loaded on each start-up. To define the system server lists probably the best option is to set Tools > Preferences > Server settings > System server list. The paths specified here have to be local paths on the remote SOCKS host.
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Alternatively, you can use the ECFLOW_SYSTEM_SERVERS_LIST environment variable to specify the very same paths. See more details about the system server lists (here, LINK TO BE ADDED).
TODO: explain to to figure out the current paths used e.g. on ATOS
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