diff --git a/ssh.md b/ssh.md
index f3f356c..4647f63 100644
--- a/ssh.md
+++ b/ssh.md
@@ -28,7 +28,7 @@ Un agent est un petit programme qui garde votre clé privée déchiffrée en mé
 
 ## Installation
 
-```
+```shell
 apt install --no-install-recommends openssh-server
 ```
 
@@ -43,3 +43,7 @@ nano .ssh/authorized_keys
 chmod 600 .ssh/authorized_keys
 ```
 
+apt install ./reaction_2.2.0-1_amd64.deb
+apt install iptables
+systemctl enable reaction@reaction.jsonnet
+systemctl start reaction@reaction.jsonnet