Check if host actually points to localhost

druidfi · Aug 25, 2022 · d3ba032 · d3ba032
1 parent 18c5ac7
commit d3ba032
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/traefik/add-service.sh b/traefik/add-service.sh
@@ -20,6 +20,12 @@ FILENAME="/configuration/$HOST.yml"
 ROUTER="$HOST_DASHED-router"
 SERVICE="$HOST_DASHED-service"
 CERT="/ssl/$DOMAIN"
+RESOLVED_IP=$(dig +short $HOST | tail -n1)
+
+if [ "$RESOLVED_IP" != "127.0.0.1" ]; then
+    printf "Error: Host $HOST does not point to localhost (127.0.0.1)!"
+    exit 1
+fi
 
 printf "Creating configuration for local service: https://$HOST --> localhost:$PORT\n\n"