diff --git a/.ssh/config b/.ssh/config
index 3c73cc6..70fb072 100644
--- a/.ssh/config
+++ b/.ssh/config
@@ -88,6 +88,50 @@ Host leyk_ext
     ProxyJump jump@hettingen_jumphost
     # RemoteCommand tmux attach-session -t default_ssh || tmux new-session -s default_ssh
 
+Host firewall_tmux
+    HostName firewall
+    User dirk
+    Port 22
+    RequestTTY yes
+    RemoteCommand tmux attach-session -t default_ssh || tmux new-session -s default_ssh
+
+Host firewall_ext
+    HostName firewall
+    User dirk
+    Port 22
+    RequestTTY yes
+    ProxyJump dirk@multimedia_ext
+
+Host firewall_ext_tmux
+    HostName firewall
+    User dirk
+    Port 22
+    RequestTTY yes
+    RemoteCommand tmux attach-session -t default_ssh || tmux new-session -s default_ssh
+    ProxyJump dirk@multimedia_ext
+
+Host test_tmux
+    HostName test
+    User dirk
+    Port 22
+    RequestTTY yes
+    RemoteCommand tmux attach-session -t default_ssh || tmux new-session -s default_ssh
+
+Host test_ext
+    HostName test
+    User dirk
+    Port 22
+    RequestTTY yes
+    ProxyJump dirk@multimedia_ext
+
+Host test_ext_tmux
+    HostName test
+    User dirk
+    Port 22
+    RequestTTY yes
+    RemoteCommand tmux attach-session -t default_ssh || tmux new-session -s default_ssh
+    ProxyJump dirk@multimedia_ext
+
 Host mm_tmux
     HostName mount-mockery.de
     User root