From 30faf500eb4f9394c3d43dbbba5eda43e4947e34 Mon Sep 17 00:00:00 2001
From: neil <gitpc@neilpang.com>
Date: Sun, 7 Sep 2025 10:09:27 +0200
Subject: [PATCH] fix
 https://github.com/acmesh-official/acme.sh/pull/6499#issuecomment-3259771356

---
 acme.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index d335990c..3316b25f 100755
--- a/acme.sh
+++ b/acme.sh
@@ -2539,9 +2539,11 @@ _startserver() {
   if [ "$Le_Listen_V6" ]; then
     _NC="$_NC -6"
     SOCAT_OPTIONS=TCP6-LISTEN
-  else
+  elif [ "$Le_Listen_V4" ]; then
     _NC="$_NC -4"
     SOCAT_OPTIONS=TCP4-LISTEN
+  else
+    SOCAT_OPTIONS=TCP-LISTEN
   fi
 
   if [ "$DEBUG" ] && [ "$DEBUG" -gt "1" ]; then