Only add a reflexive address when we're sure it's working.

[oweals/tinc.git] / src / protocol_key.c

diff --git a/src/protocol_key.c b/src/protocol_key.c
index 301ead5da6e4acb3ad8ef1fe6a33d72f4bf06e13..e2f67b194e08f5bf895318a3327642fc72e3e2a0 100644 (file)
--- a/src/protocol_key.c
+++ b/src/protocol_key.c
@@ -233,7 +233,7 @@ bool ans_key_h(connection_t *c) {
                        return true;
                }
 
-               if(!*address && from->address.sa.sa_family != AF_UNSPEC) {
+               if(!*address && from->address.sa.sa_family != AF_UNSPEC && to->minmtu) {
                        char *address, *port;
                        ifdebug(PROTOCOL) logger(LOG_DEBUG, "Appending reflexive UDP address to ANS_KEY from %s to %s", from->name, to->name);
                        sockaddr2str(&from->address, &address, &port);