diff --git a/provider/rancher/config.go b/provider/rancher/config.go
index ad204ec42..295658f42 100644
--- a/provider/rancher/config.go
+++ b/provider/rancher/config.go
@@ -40,6 +40,7 @@ func (p *Provider) buildConfiguration(services []rancherData) *types.Configurati
 		"getRedirectEntryPoint":       getFuncString(label.TraefikFrontendRedirectEntryPoint, label.DefaultFrontendRedirectEntryPoint),
 		"getRedirectRegex":            getFuncString(label.TraefikFrontendRedirectRegex, ""),
 		"getRedirectReplacement":      getFuncString(label.TraefikFrontendRedirectReplacement, ""),
+		"getWhitelistSourceRange":     getFuncSliceString(label.TraefikFrontendWhitelistSourceRange),
 	}
 
 	// filter services
diff --git a/templates/rancher.tmpl b/templates/rancher.tmpl
index e29e3cfc3..3e9f278e3 100644
--- a/templates/rancher.tmpl
+++ b/templates/rancher.tmpl
@@ -44,6 +44,12 @@
       "{{.}}",
       {{end}}]
 
+    {{if getWhitelistSourceRange $service}}
+    whitelistSourceRange = [{{range getWhitelistSourceRange $service}}
+      "{{.}}",
+      {{end}}]
+    {{end}}
+
     basicAuth = [{{range getBasicAuth $service}}
       "{{.}}",
       {{end}}]