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-rw-r--r--example/intrusion_detection.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/example/intrusion_detection.h b/example/intrusion_detection.h
index f78095e67..d07965484 100644
--- a/example/intrusion_detection.h
+++ b/example/intrusion_detection.h
@@ -21,6 +21,9 @@
*
*/
+#ifndef _INTRUSION_DETECTION_H_
+#define _INTRUSION_DETECTION_H_
+
/*
Code to detect attacks reported in
@@ -62,3 +65,5 @@ double Hearthbleed_score(struct ndpi_flow_info* flow);
double Infiltration_score(struct ndpi_flow_info* flow);
double Ssh_patator_score(struct ndpi_flow_info* flow);
+
+#endif /* _INTRUSION_DETECTION_H_ */