A user let us know it wasn’t possible to reach the outside from Yggdrasil compute nodes.
This is now solved, the proxy variable is set. Compute nodes are only allowed to reach http(s) hosts.
(yggdrasil)-[sagon@login1 ~]$ srun -p shared-cpu env | grep http_proxy
srun: job 45289683 queued and waiting for resources
srun: job 45289683 has been allocated resources
http_proxy=http://proxy.unige.ch:3128