> however if I try the same via CURL.. > > curl -s -k -XPOST -H 'CSRFPreventionToken:$CSRFPreventionToken' > '$host/api2/json/nodes/proxmox02/qemu/20011/config' -b > 'PVEAuthCookie=$key' -d 'net0=e1000,bridge=vmbr20' IDoes it work if you use: --data-urlencode 'net0=e1000,bridge=vmbr20'