X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_packet.c;h=6f72e05b3380d4102c19521dbd178d36b02d2375;hp=fc5720a2aee1fe5a1da7dfe8025a69ca7c6848e6;hb=bdd84660c756437cf3bc8f64adf612055acc84ea;hpb=684bd659ae0c6ca623422851c245188037658698

diff --git a/src/net_packet.c b/src/net_packet.c
index fc5720a2..6f72e05b 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -1252,8 +1252,12 @@ void send_packet(node_t *n, vpn_packet_t *packet) {
 	// If it's for myself, write it to the tun/tap device.
 
 	if(n == myself) {
-		if(overwrite_mac)
+		if(overwrite_mac) {
 			 memcpy(DATA(packet), mymac.x, ETH_ALEN);
+			 // Use an arbitrary fake source address.
+			 memcpy(DATA(packet) + ETH_ALEN, DATA(packet), ETH_ALEN);
+			 DATA(packet)[ETH_ALEN * 2 - 1] ^= 0xFF;
+		}
 		n->out_packets++;
 		n->out_bytes += packet->len;
 		devops.write(packet);