diff options
| -rw-r--r-- | epan/dissectors/packet-dnp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/epan/dissectors/packet-dnp.c b/epan/dissectors/packet-dnp.c index 16b099b169..9670b34d09 100644 --- a/epan/dissectors/packet-dnp.c +++ b/epan/dissectors/packet-dnp.c @@ -3405,8 +3405,8 @@ dissect_dnp3_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data { gint length = tvb_length(tvb); - /* Check for a dnp packet. It should begin with 0x0564 */ - if ((length < 2) || (tvb_get_ntohs(tvb, 0) != 0x0564)) { + /* If heuristics are enabled check it looks like a dnp packet. It should begin with 0x0564 */ + if (dnp3_heuristics && ((length < 2) || (tvb_get_ntohs(tvb, 0) != 0x0564))) { /* Not a DNP 3.0 packet, just happened to use the same port */ return FALSE; } |