Enable PMTUDiscovery only if BOTH sides wants it.

Don't enable PMTUDiscovery if at least one side does not support it.
Before it was enabled if at least one side supported it, now both are required.

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index cafe45c08e8951620c71321d2fdff1cad89f9694..9288ec7cb7f4b77060d0700b96332881755a24d1 100644 (file)
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -483,7 +483,7 @@ bool send_ack(connection_t *c)
        if((get_config_bool(lookup_config(c->config_tree, "TCPOnly"), &choice) && choice) || myself->options & OPTION_TCPONLY)
                c->options |= OPTION_TCPONLY | OPTION_INDIRECT;
 
-       if((!get_config_bool(lookup_config(c->config_tree, "PMTUDiscovery"), &choice) || choice) || myself->options & OPTION_PMTU_DISCOVERY)
+       if((!get_config_bool(lookup_config(c->config_tree, "PMTUDiscovery"), &choice) || choice) && (myself->options & OPTION_PMTU_DISCOVERY))
                c->options |= OPTION_PMTU_DISCOVERY;
 
        get_config_int(lookup_config(c->config_tree, "Weight"), &c->estimated_weight);