From 43a82bdd292dad89c23c3bb657ad2e22e30c1345 Mon Sep 17 00:00:00 2001
From: Kittywhiskers Van Gogh <63189531+kwvg@users.noreply.github.com>
Date: Sat, 26 Dec 2020 12:01:25 +0330
Subject: [PATCH] merge bitcoin#20769: fixes "advertised address where nobody
 is listening"

---
 src/init.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/init.cpp b/src/init.cpp
index f57dd4a5e0eea..d52ab19225c17 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1256,6 +1256,11 @@ bool AppInitParameterInteraction(const ArgsManager& args)
         return InitError(Untranslated("Cannot set -bind or -whitebind together with -listen=0"));
     }
 
+    // if listen=0, then disallow listenonion=1
+    if (!args.GetBoolArg("-listen", DEFAULT_LISTEN) && args.GetBoolArg("-listenonion", DEFAULT_LISTEN_ONION)) {
+        return InitError(Untranslated("Cannot set -listen=0 together with -listenonion=1"));
+    }
+
     // Make sure enough file descriptors are available
     int nBind = std::max(nUserBind, size_t(1));
     nUserMaxConnections = args.GetArg("-maxconnections", DEFAULT_MAX_PEER_CONNECTIONS);