diff --git a/libs/debian_service/proto/DebianService.proto b/libs/debian_service/proto/DebianService.proto
index 5adf615..5e3286a 100644
--- a/libs/debian_service/proto/DebianService.proto
+++ b/libs/debian_service/proto/DebianService.proto
@@ -23,12 +23,20 @@
 
 service DebianService {
   rpc ReportVmIpAddr (IpAddr) returns (ReportVmIpAddrResponse) {}
+  rpc OpenForwardingRequestQueue (Empty) returns (stream ForwardingRequestItem) {}
 }
 
+message Empty {}
+
 message IpAddr {
   string addr = 1;
 }
 
 message ReportVmIpAddrResponse {
-    bool success = 1;
-}
\ No newline at end of file
+  bool success = 1;
+}
+
+message ForwardingRequestItem {
+  int32 guest_tcp_port = 1;
+  int32 vsock_port = 2;
+}