diff --git a/tasks/configure_iptables_externalusers.yml b/tasks/configure_iptables_externalusers.yml
index 825dbe1fd3e7c9d9dbf72c60073642349032f6f9..bdb2ecc1398987fdb35e21b269e34a3d56e526d1 100644
--- a/tasks/configure_iptables_externalusers.yml
+++ b/tasks/configure_iptables_externalusers.yml
@@ -2,7 +2,7 @@
 # Configure common rules
 - name: iptables-Regeln setzen (alle Beteiligten)
   iptables:
-    action: append
+    action: insert
     chain: INPUT
     comment: "{{ item.comment }}"
     destination: "{{ item.dest | default(omit) }}"
@@ -23,7 +23,7 @@
 # Configure specific rules
 - name: iptables-Regeln setzen (producer agnostic test system)
   iptables:
-    action: append
+    action: insert
     chain: INPUT
     comment: "{{ item.comment }}"
     destination: "{{ item.dest | default(omit) }}"
@@ -44,7 +44,7 @@
 
 - name: iptables-Regeln setzen (UB Leipzig)
   iptables:
-    action: append
+    action: insert
     chain: INPUT
     comment: "{{ item.comment }}"
     destination: "{{ item.dest | default(omit) }}"
@@ -65,7 +65,7 @@
 
 - name: iptables-Regeln setzen (Mediathek)
   iptables:
-    action: append
+    action: insert
     chain: INPUT
     comment: "{{ item.comment }}"
     destination: "{{ item.dest | default(omit) }}"
@@ -86,7 +86,7 @@
 
 - name: iptables-Regeln setzen (Fotothek & DevBoost)
   iptables:
-    action: append
+    action: insert
     chain: INPUT
     comment: "{{ item.comment }}"
     destination: "{{ item.dest | default(omit) }}"
@@ -107,7 +107,7 @@
 
 - name: iptables-Regeln setzen (Sanitytest)
   iptables:
-    action: append
+    action: insert
     chain: INPUT
     comment: "{{ item.comment }}"
     destination: "{{ item.dest | default(omit) }}"
@@ -127,7 +127,7 @@
 
 - name: iptables-Regeln setzen (SLUB Kitodo)
   iptables:
-    action: append
+    action: insert
     chain: INPUT
     comment: "{{ item.comment }}"
     destination: "{{ item.dest | default(omit) }}"