From f8398d937611c692f87ccc0ddc284442acbf1893 Mon Sep 17 00:00:00 2001
From: Riccardo Villa <riccardo.villa@netaxis.be>
Date: Thu, 10 Feb 2022 18:00:48 +0100
Subject: [PATCH] dialog: don't sent ka if dialog is not local

---
 src/modules/dialog/dlg_req_within.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/modules/dialog/dlg_req_within.c b/src/modules/dialog/dlg_req_within.c
index 809834527ff..fb81da80667 100644
--- a/src/modules/dialog/dlg_req_within.c
+++ b/src/modules/dialog/dlg_req_within.c
@@ -452,6 +452,16 @@ int dlg_send_ka(dlg_cell_t *dlg, int dir)
 	int result;
 	dlg_iuid_t *iuid = NULL;
 
+	if (dlg->bind_addr[dir] == NULL) {
+		LM_DBG("skipping dialog without bind address\n");
+		return 0;
+	}
+
+	if (lookup_local_socket(&(dlg->bind_addr[dir]->sock_str)) == NULL) {
+		LM_DBG("skipping non local dialog\n");
+		return 0;
+	}
+
 	/* do not send KA request for non-confirmed dialogs (not supported) */
 	if (dlg->state != DLG_STATE_CONFIRMED) {
 		LM_DBG("skipping non-confirmed dialogs\n");