diff --git a/internal/mgmt/acmeroutes.go b/internal/mgmt/acmeroutes.go
index 091c968..e3610ae 100644
--- a/internal/mgmt/acmeroutes.go
+++ b/internal/mgmt/acmeroutes.go
@@ -50,7 +50,7 @@ func (p *acmeProvider) CleanUp(domain, token, keyAuth string) error {
 	return p.provider.CleanUp(domain, token, keyAuth)
 }
 
-func handleDNSRoutes(r chi.Router) {
+func handleACMEChallengeRoutes(r chi.Router) {
 	handleACMEChallenges := func(r chi.Router) {
 		r.Post("/{domain}", createChallenge)
 
diff --git a/internal/mgmt/route.go b/internal/mgmt/route.go
index 95e963b..6007021 100644
--- a/internal/mgmt/route.go
+++ b/internal/mgmt/route.go
@@ -53,6 +53,7 @@ func getACMEChallenges(w http.ResponseWriter, r *http.Request) {
 		}
 	*/
 
+	// disallow FS characters
 	if strings.ContainsAny(host, "/:|\\") {
 		host = ""
 	}
@@ -186,7 +187,7 @@ func RouteAll(r chi.Router) {
 				})
 			})
 
-			handleDNSRoutes(r)
+			handleACMEChallengeRoutes(r)
 			handleDeviceRoutes(r)
 
 			r.Get("/inspect", func(w http.ResponseWriter, r *http.Request) {