If you want to access for example the wms services working from home, you have to install vpn on your computer.
Here's a link from the SLU-IT-support where you can see how it's done.
For employees:
https://internt.slu.se/stod-service/admin-stod/it/IT-support/guider-manualer/vpn-anyconnect/
For students:
https://student.slu.se/studieservice/it-stod1/support/databaser-och-e-tidskrifter/