Disable PMTU discovery when TCPOnly is used.

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

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 0d21be091bb6b2b0f45cc2ec1400b3060e87a305..6d1435bcec381d2ee944fa3c6e365bbb8fd1125c 100644 (file)
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -520,7 +520,7 @@ bool send_ack(connection_t *c) {
                c->options |= OPTION_TCPONLY | OPTION_INDIRECT;
        }
 
-       if(myself->options & OPTION_PMTU_DISCOVERY) {
+       if(myself->options & OPTION_PMTU_DISCOVERY && !(c->options & OPTION_TCPONLY)) {
                c->options |= OPTION_PMTU_DISCOVERY;
        }