- machine_keys << "command=\"/usr/lib/da-backup/da-backup-ssh-wrap #{hostname}\",from=\"#{allnodeinfo[node]['ipHostNumber'].join(',')}\",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-user-rc #{allnodeinfo[node]['sshRSAHostKey'][0]}"
+ machine_keys << "command=\"/usr/lib/da-backup/da-backup-ssh-wrap #{hostname}\",from=\"#{allnodeinfo[node]['ipHostNumber'].join(',')}\",restrict #{allnodeinfo[node]['sshRSAHostKey'][0]}"