diff --git a/2025/xg-infra-guava.md b/2025/xg-infra-guava.md
index 5010dd2..c8ae314 100644
--- a/2025/xg-infra-guava.md
+++ b/2025/xg-infra-guava.md
@@ -22,6 +22,8 @@ Dedibox Scaleway Online.net
 * https://wiki.debian.org/DebianFirewall
 * `/usr/local/sbin/firewall-enable.sh`
 * `/etc/systemd/system/firewall.service`
+* `systemctl start firewall && sleep 120 && systemctl stop firewall`
+* `systemctl enable firewall.service`
 * 
 
 See: