diff --git a/gateway/server.go b/gateway/server.go
index a525a228..71d1e554 100644
--- a/gateway/server.go
+++ b/gateway/server.go
@@ -65,13 +65,6 @@ func (s *Server) build() error {
 			source <- up
 		}
 	}, func(up Upstream, writer mr.Writer[rest.Route], cancel func(error)) {
-		target, err := up.Grpc.BuildTarget()
-		if err != nil {
-			cancel(err)
-			return
-		}
-
-		up.Name = target
 		var cli zrpc.Client
 		if s.dialer != nil {
 			cli = s.dialer(up.Grpc)
diff --git a/rest/engine.go b/rest/engine.go
index b1bdd06d..5f2ffd91 100644
--- a/rest/engine.go
+++ b/rest/engine.go
@@ -290,13 +290,15 @@ func (ng *engine) signatureVerifier(signature signatureSetting) (func(chain.Chai
 
 		decrypters[fingerprint] = decrypter
 	}
+
 	return func(chn chain.Chain) chain.Chain {
-		var unsignedCallbacks []handler.UnsignedCallback
-		if ng.unsignedCallback != nil {
-			unsignedCallbacks = append(unsignedCallbacks, ng.unsignedCallback)
+		if ng.unsignedCallback == nil {
+			return chn.Append(handler.LimitContentSecurityHandler(ng.conf.MaxBytes,
+				decrypters, signature.Expiry, signature.Strict))
 		}
 
-		return chn.Append(handler.LimitContentSecurityHandler(ng.conf.MaxBytes, decrypters, signature.Expiry, signature.Strict, unsignedCallbacks))
+		return chn.Append(handler.LimitContentSecurityHandler(ng.conf.MaxBytes,
+			decrypters, signature.Expiry, signature.Strict, ng.unsignedCallback))
 	}, nil
 }
 
diff --git a/rest/handler/contentsecurityhandler.go b/rest/handler/contentsecurityhandler.go
index ca89dc68..a5b9c182 100644
--- a/rest/handler/contentsecurityhandler.go
+++ b/rest/handler/contentsecurityhandler.go
@@ -18,12 +18,12 @@ type UnsignedCallback func(w http.ResponseWriter, r *http.Request, next http.Han
 // ContentSecurityHandler returns a middleware to verify content security.
 func ContentSecurityHandler(decrypters map[string]codec.RsaDecrypter, tolerance time.Duration,
 	strict bool, callbacks ...UnsignedCallback) func(http.Handler) http.Handler {
-	return LimitContentSecurityHandler(maxBytes, decrypters, tolerance, strict, callbacks)
+	return LimitContentSecurityHandler(maxBytes, decrypters, tolerance, strict, callbacks...)
 }
 
 // LimitContentSecurityHandler returns a middleware to verify content security.
-func LimitContentSecurityHandler(maxBytesSize int64, decrypters map[string]codec.RsaDecrypter, tolerance time.Duration,
-	strict bool, callbacks []UnsignedCallback) func(http.Handler) http.Handler {
+func LimitContentSecurityHandler(limitBytes int64, decrypters map[string]codec.RsaDecrypter,
+	tolerance time.Duration, strict bool, callbacks ...UnsignedCallback) func(http.Handler) http.Handler {
 	if len(callbacks) == 0 {
 		callbacks = append(callbacks, handleVerificationFailure)
 	}
@@ -42,7 +42,7 @@ func LimitContentSecurityHandler(maxBytesSize int64, decrypters map[string]codec
 						r.Header.Get(contentSecurity))
 					executeCallbacks(w, r, next, strict, code, callbacks)
 				} else if r.ContentLength > 0 && header.Encrypted() {
-					LimitCryptionHandler(maxBytesSize, header.Key)(next).ServeHTTP(w, r)
+					LimitCryptionHandler(limitBytes, header.Key)(next).ServeHTTP(w, r)
 				} else {
 					next.ServeHTTP(w, r)
 				}
diff --git a/rest/handler/cryptionhandler.go b/rest/handler/cryptionhandler.go
index df54ee46..0ef92379 100644
--- a/rest/handler/cryptionhandler.go
+++ b/rest/handler/cryptionhandler.go
@@ -23,7 +23,7 @@ func CryptionHandler(key []byte) func(http.Handler) http.Handler {
 }
 
 // LimitCryptionHandler returns a middleware to handle cryption.
-func LimitCryptionHandler(maxBytesSize int64, key []byte) func(http.Handler) http.Handler {
+func LimitCryptionHandler(limitBytes int64, key []byte) func(http.Handler) http.Handler {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 			cw := newCryptionResponseWriter(w)
@@ -34,7 +34,7 @@ func LimitCryptionHandler(maxBytesSize int64, key []byte) func(http.Handler) htt
 				return
 			}
 
-			if err := decryptBody(maxBytesSize, key, r); err != nil {
+			if err := decryptBody(limitBytes, key, r); err != nil {
 				w.WriteHeader(http.StatusBadRequest)
 				return
 			}
@@ -44,8 +44,8 @@ func LimitCryptionHandler(maxBytesSize int64, key []byte) func(http.Handler) htt
 	}
 }
 
-func decryptBody(maxBytesSize int64, key []byte, r *http.Request) error {
-	if maxBytesSize > 0 && r.ContentLength > maxBytesSize {
+func decryptBody(limitBytes int64, key []byte, r *http.Request) error {
+	if limitBytes > 0 && r.ContentLength > limitBytes {
 		return errContentLengthExceeded
 	}