diff --git a/scripts/install b/scripts/install
index 1f8f866..6f114c4 100644
--- a/scripts/install
+++ b/scripts/install
@@ -113,6 +113,19 @@ yunohost firewall allow TCP 50000:50100
 setfacl -m g:$app:rx /var/www
 setfacl -m g:$app.main:rx /var/www
 
+#=================================================
+# GENERATE GLOBAL SSH KEY
+#=================================================
+
+ssh-keygen -t ed25519 -f /etc/yunohost/sshkey -q -N ""
+chmod 600 /etc/yunohost/sshkey
+setfacl -m g:$app.main:x /etc/yunohost
+setfacl -m g:$app.main:r /etc/yunohost/sshkey
+chown daemon /etc/yunohost/sshkey
+
+ssh-keyscan github.com >> /etc/ssh/known_hosts
+grep -qF 'GlobalKnownHostsFile /etc/ssh/known_hosts' /etc/ssh/ssh_config || echo '    GlobalKnownHostsFile /etc/ssh/known_hosts' >> /etc/ssh/ssh_config
+
 # Automatically add link to www folder to new users
 ln -s /var/www /etc/skel/www
 
diff --git a/scripts/remove b/scripts/remove
index 53ab6aa..645aac4 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -54,6 +54,14 @@ ynh_remove_fpm_config
 # SPECIFIC REMOVE
 #=================================================
 
+# Firewall
+
+yunohost firewall disallow TCP 21
+yunohost firewall disallow TCP 50000:50100
+
+rm /etc/skel/www
+rm /etc/yunohost/sshkey*
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================