fix https://github.com/acmesh-official/acme.sh/pull/6499#issuecomment-3259771356

1 month ago · 30faf500eb
1 changed files with 3 additions and 1 deletions
--- 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