Disable PMTU discovery when TCPOnly is used.

[tinc] / src / protocol_auth.c

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 0d21be0..6d1435b 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;
        }
 
                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;
        }
 
                c->options |= OPTION_PMTU_DISCOVERY;
        }