scp -i poc_key_internal -r downloads/ theuser@10.0.0.198:"~"
== Connecting using arguments ==
"D:\Programme\Putty\putty.exe" vagrant@127.0.0.1 -pw vagrant -P 2222 -i D:/1PROJEKTE/Vagrant/PUBLIC/Docker/.vagrant/machines/default/virtualbox/private_key
=== Keep Alives ===
Putty loses its connections after a short while
https://orahow.com/keep-putty-ssh-connection-alive/