From 2379443ef55986604f77711caab5c3118a26f791 Mon Sep 17 00:00:00 2001 From: Luca Deri Date: Tue, 31 May 2016 12:58:44 +0200 Subject: Fix on multicast address check on teredo --- src/lib/protocols/teredo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/lib/protocols') diff --git a/src/lib/protocols/teredo.c b/src/lib/protocols/teredo.c index 762aac7de..079d1fbcd 100644 --- a/src/lib/protocols/teredo.c +++ b/src/lib/protocols/teredo.c @@ -30,7 +30,7 @@ void ndpi_search_teredo(struct ndpi_detection_module_struct *ndpi_struct, struct if(packet->udp && packet->iph - && ((ntohl(packet->iph->daddr) & 0xF0000000) != 0xE0000000 /* Not a multicast address */) + && ((ntohl(packet->iph->daddr) & 0xF0000000) == 0xE0000000 /* A multicast address */) && ((ntohs(packet->udp->source) == 3544) || (ntohs(packet->udp->dest) == 3544)) && (packet->payload_packet_len >= 40 /* IPv6 header */)) ndpi_int_change_protocol(ndpi_struct, flow, NDPI_PROTOCOL_TEREDO, NDPI_PROTOCOL_UNKNOWN); -- cgit v1.2.3