diff --git a/modules/discovery/model/DiscoveryStartInfo.go b/modules/_discovery/model/DiscoveryStartInfo.go
similarity index 100%
rename from modules/discovery/model/DiscoveryStartInfo.go
rename to modules/_discovery/model/DiscoveryStartInfo.go
diff --git a/modules/discovery/model/Host.go b/modules/_discovery/model/Host.go
similarity index 100%
rename from modules/discovery/model/Host.go
rename to modules/_discovery/model/Host.go
diff --git a/modules/discovery/model/Port.go b/modules/_discovery/model/Port.go
similarity index 100%
rename from modules/discovery/model/Port.go
rename to modules/_discovery/model/Port.go
diff --git a/modules/discovery/model/Service.go b/modules/_discovery/model/Service.go
similarity index 100%
rename from modules/discovery/model/Service.go
rename to modules/_discovery/model/Service.go
diff --git a/modules/discovery/model/Zone.go b/modules/_discovery/model/Zone.go
similarity index 100%
rename from modules/discovery/model/Zone.go
rename to modules/_discovery/model/Zone.go
diff --git a/modules/discovery/model/net/config.go b/modules/_discovery/model/net/config.go
similarity index 100%
rename from modules/discovery/model/net/config.go
rename to modules/_discovery/model/net/config.go
diff --git a/modules/discovery/model/net/host.go b/modules/_discovery/model/net/host.go
similarity index 100%
rename from modules/discovery/model/net/host.go
rename to modules/_discovery/model/net/host.go
diff --git a/modules/discovery/model/net/network.go b/modules/_discovery/model/net/network.go
similarity index 100%
rename from modules/discovery/model/net/network.go
rename to modules/_discovery/model/net/network.go
diff --git a/modules/discovery/model/net/zone.go b/modules/_discovery/model/net/zone.go
similarity index 100%
rename from modules/discovery/model/net/zone.go
rename to modules/_discovery/model/net/zone.go
diff --git a/modules/discovery/model/types/discovery.go b/modules/_discovery/model/types/discovery.go
similarity index 100%
rename from modules/discovery/model/types/discovery.go
rename to modules/_discovery/model/types/discovery.go
diff --git a/modules/discovery/model/types/discoveryhost.go b/modules/_discovery/model/types/discoveryhost.go
similarity index 100%
rename from modules/discovery/model/types/discoveryhost.go
rename to modules/_discovery/model/types/discoveryhost.go
diff --git a/modules/discovery/model/types/discoveryport.go b/modules/_discovery/model/types/discoveryport.go
similarity index 100%
rename from modules/discovery/model/types/discoveryport.go
rename to modules/_discovery/model/types/discoveryport.go
diff --git a/modules/discovery/model/types/discoveryservice.go b/modules/_discovery/model/types/discoveryservice.go
similarity index 100%
rename from modules/discovery/model/types/discoveryservice.go
rename to modules/_discovery/model/types/discoveryservice.go
diff --git a/modules/discovery/model/types/discoveryzone.go b/modules/_discovery/model/types/discoveryzone.go
similarity index 100%
rename from modules/discovery/model/types/discoveryzone.go
rename to modules/_discovery/model/types/discoveryzone.go
diff --git a/modules/discovery/model/types/scaninfo.go b/modules/_discovery/model/types/scaninfo.go
similarity index 100%
rename from modules/discovery/model/types/scaninfo.go
rename to modules/_discovery/model/types/scaninfo.go
diff --git a/modules/probe/service/probe/CrawlerService.go b/modules/probe/service/probe/CrawlerService.go
index 24834e2..cfe106d 100644
--- a/modules/probe/service/probe/CrawlerService.go
+++ b/modules/probe/service/probe/CrawlerService.go
@@ -1,5 +1,9 @@
 package probe
 
 type CrawlerService interface {
+	Install()
+	Uninstall()
 	Update()
+
+	Authenticate()
 }