diff --git a/registrator.go b/registrator.go
index a5eecd4d..61171ded 100644
--- a/registrator.go
+++ b/registrator.go
@@ -18,16 +18,16 @@ import (
 
 var hostIp = flag.String("ip", "", "IP for ports mapped to the host")
 var internal = flag.Bool("internal", false, "Use internal ports instead of published ones")
-var explicit = flag.Bool("explicit", false, "Only register services which have SERVICE_NAME label set")
+var explicit = flag.Bool("explicit", true, "Only register services which have SERVICE_NAME label set")
 var useIpFromLabel = flag.String("useIpFromLabel", "", "Use IP which is stored in a label assigned to the container")
 var refreshInterval = flag.Int("ttl-refresh", 0, "Frequency with which service TTLs are refreshed")
 var refreshTtl = flag.Int("ttl", 0, "TTL for services (default is no expiry)")
 var forceTags = flag.String("tags", "", "Append tags for all registered services")
-var resyncInterval = flag.Int("resync", 0, "Frequency with which services are resynchronized")
+var resyncInterval = flag.Int("resync", 30, "Frequency with which services are resynchronized")
 var deregister = flag.String("deregister", "always", "Deregister exited services \"always\" or \"on-success\"")
-var retryAttempts = flag.Int("retry-attempts", 0, "Max retry attempts to establish a connection with the backend. Use -1 for infinite retries")
-var retryInterval = flag.Int("retry-interval", 2000, "Interval (in millisecond) between retry-attempts.")
-var cleanup = flag.Bool("cleanup", false, "Remove dangling services")
+var retryAttempts = flag.Int("retry-attempts", -1, "Max retry attempts to establish a connection with the backend. Use -1 for infinite retries")
+var retryInterval = flag.Int("retry-interval", 3000, "Interval (in millisecond) between retry-attempts.")
+var cleanup = flag.Bool("cleanup", true, "Remove dangling services")
 var swarmReplicasAware = flag.Bool("swarm-replicas-aware", true, "Remove registered swarm services without replicas")
 var swarmManagerSvcName = flag.String("swarm-manager-servicename", "", "Register swarm manager service when non-empty")