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-rw-r--r--src/lib/protocols/http.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/lib/protocols/http.c b/src/lib/protocols/http.c
index 6e2cf924b..48a80dd9a 100644
--- a/src/lib/protocols/http.c
+++ b/src/lib/protocols/http.c
@@ -759,9 +759,10 @@ static void check_content_type_and_change_protocol(struct ndpi_detection_module_
if(flow->detected_protocol_stack[1] == NDPI_PROTOCOL_UNKNOWN) {
/* Avoid putting as subprotocol a "core" protocol such as SSL or DNS */
if(ndpi_struct->proto_defaults[flow->guessed_protocol_id].subprotocol_count == 0) {
- flow->detected_protocol_stack[1] = flow->guessed_protocol_id;
- if(flow->detected_protocol_stack[0] == NDPI_PROTOCOL_UNKNOWN)
+ if(flow->detected_protocol_stack[0] == NDPI_PROTOCOL_UNKNOWN) {
flow->detected_protocol_stack[0] = flow->guessed_host_protocol_id;
+ flow->detected_protocol_stack[1] = flow->guessed_protocol_id;
+ }
}
}
else {