diff --git a/unbound.conf b/unbound.conf
index b270cfd..01797d3 100644
--- a/unbound.conf
+++ b/unbound.conf
@@ -8,6 +8,9 @@ server:
     hide-identity: yes
     hide-version: yes
     outgoing-port-permit: 1024-65535
+    outgoing-port-avoid: 3000
+    outgoing-port-avoid: 4000
+    outgoing-port-avoid: 6379
     outgoing-port-avoid: 8008
     outgoing-port-avoid: 8080