From e9f43516ec06638783fd03dea3aba0112584f566 Mon Sep 17 00:00:00 2001
From: Luca Deri <deri@ntop.org>
Date: Wed, 13 Jan 2021 16:46:51 +0100
Subject: Improves STUN dissection removing an invalid termination condition
 that prevented Skype calls to be properly identified

---
 src/lib/protocols/stun.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/lib/protocols/stun.c b/src/lib/protocols/stun.c
index fe2030ffb..cc1836a9b 100644
--- a/src/lib/protocols/stun.c
+++ b/src/lib/protocols/stun.c
@@ -531,12 +531,13 @@ void ndpi_search_stun(struct ndpi_detection_module_struct *ndpi_struct, struct n
     return;
   }
 
+  if(flow->protos.stun_ssl.stun.num_udp_pkts >= MAX_NUM_STUN_PKTS)
+    NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+
   if(flow->packet_counter > 0) {
     /* This might be a RTP stream: let's make sure we check it */
     NDPI_CLR(&flow->excluded_protocol_bitmask, NDPI_PROTOCOL_RTP);
   }
-
-  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
 }
 
 
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