From 5877de5587aa39e08b9dda3e0a73f7e391c0d91a Mon Sep 17 00:00:00 2001
From: ragingbulld <ragingbullniu@gmail.com>
Date: Sun, 1 Mar 2026 21:35:20 +0800
Subject: [PATCH] NATMap: allow -b 0 to retain port if still available

---
 src/hev-conf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hev-conf.c b/src/hev-conf.c
index 077b984..8185c07 100644
--- a/src/hev-conf.c
+++ b/src/hev-conf.c
@@ -165,7 +165,9 @@ hev_conf_init (int argc, char *argv[])
     }
 
     if (!bport[0]) {
-        bport[0] = 0;
+        bport[0] = 1;
+        bport[1] = 65535;
+        brand = 1;
     }
     if (!bport[1]) {
         bport[1] = bport[0];