diff --git a/files/ansible-playbooks/redirect_and_block.yml b/files/ansible-playbooks/redirect_and_block.yml
index e1e560b..d2de7b2 100644
--- a/files/ansible-playbooks/redirect_and_block.yml
+++ b/files/ansible-playbooks/redirect_and_block.yml
@@ -663,6 +663,15 @@
       register: dev1_to_dev2_copy6
       changed_when: true
       failed_when: dev1_to_dev2_copy6.rc != 0
+      
+    - name: Make block scripts executable on DEV2
+      delegate_to: localhost
+      ansible.builtin.shell: |
+        export DEV2_CMD='chmod 0755 /root/startblock.sh /root/stopblock.sh'
+        {{ dev2_exec_cmd }}
+      args:
+        executable: /bin/bash
+      changed_when: true      
 
   post_tasks:
     - name: Cleanup note
diff --git a/files/startblock.sh b/files/startblock.sh
index 036a996..72e74b2 100644
--- a/files/startblock.sh
+++ b/files/startblock.sh
@@ -1,3 +1,8 @@
+#!/bin/sh
+set -eu
+
+/bin/sh /root/stopblock.sh >/dev/null 2>&1 || true
+
 LAN_IF="br-lan"
 LAN_NET="192.168.2.0/24"
 EXCLUDE_IP="13.244.149.112/32"