Not able to connect to my yggdrasil session since this morning. Connection time out
Same problem; wasn’t working last night either 
ssh: connect to host login1.yggdrasil.hpc.unige.ch port 22: Operation timed out
Same problem since Thursday 28/05 and still I cannot log in
ssh: connect to host login1.yggdrasil.hpc.unige.ch port 22: Operation timed out
Just tried to log in and I have the same issue.
Dear Users,
Actually, you must connect to Yggdrasil using VPN because of security reasons
Other way is to use Baobab and Bamboo cluster until all services wil be accessible.
A communication has be done :
Sorry for inconvenience,
Best regards