diff --git a/.github/copilot/firewall-allowlist.json b/.github/copilot/firewall-allowlist.json
index 13b1cb6..89d2dc3 100644
--- a/.github/copilot/firewall-allowlist.json
+++ b/.github/copilot/firewall-allowlist.json
@@ -5,8 +5,6 @@
   "allowlist": {
     "domains": [
       "*.gnu.org",
-      "www.gnu.org",
-      "ftp.gnu.org",
       "fsf.org",
       "www.fsf.org",
       "spdx.org",
diff --git a/.github/copilot/setup-firewall.sh b/.github/copilot/setup-firewall.sh
index e64e04c..ca381ff 100755
--- a/.github/copilot/setup-firewall.sh
+++ b/.github/copilot/setup-firewall.sh
@@ -19,7 +19,10 @@ if [ ! -f "$ALLOWLIST_FILE" ]; then
 fi
 
 # Read domains from the allowlist configuration
-DOMAINS=$(jq -r '.allowlist.domains[]' "$ALLOWLIST_FILE" 2>/dev/null || echo "")
+if ! DOMAINS=$(jq -r '.allowlist.domains[]' "$ALLOWLIST_FILE" 2>&1); then
+    echo "ERROR: Failed to parse allowlist configuration: $DOMAINS"
+    exit 1
+fi
 
 if [ -z "$DOMAINS" ]; then
     echo "WARNING: No domains found in allowlist configuration"