diff --git a/useful_ressources/ssh_config.md b/useful_ressources/ssh_config.md
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+Add this to your SSH Config:
+
+```
+Host unhb4
+    #Key: SHA256:pgNNZwqtDY4rkx99svN+UMwZ1W30kS44CJNsRbuavvg (ed25519)
+    HostName server4.unhb.de
+    User root
+    LocalForward 9000 localhost:9000
+Host unhb-proxmox-local
+    #Key: SHA256:VoFtWYe3YhGSEK0m3M2O4GHxRqk0X3QwtH5rhnUo7/I (ed25519)
+    HostName proxmox.unhb.space
+    User root
+```
+
+The door is currently not managed via Ansible, but here is its config anyway:
+
+```
+Host unhb-door
+    HostName 192.168.88.244
+    User keymaster
+    IdentityFile ~/.ssh/YOUR_IDENTITY_FILE_FOR_THE_DOOR
+```