[Oisf-users] Question about src_port and dest_port in eve log

"강지환" kangjh0101 at pizzlysoft.com
Fri Sep 6 06:15:29 UTC 2019


Hi, My name is Chi Hwan Kang.  I am trying to build an IPS using Suricata. While testing detection, I have faced a very strange thing which is that both src_port and dest_port are 0.  My test environment is     * Suricata is installed on a CentOS machine. It is installed using the commands in suricata_installation.txt            [root at localhost ~]# uname -a      Linux localhost.localdomain 3.10.0-957.21.3.el7.x86_64 #1 SMP Tue Jun 18 16:35:19 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux       ethtool -k output is attached.       suricata.yaml is attached.       Suricata started by "suricata -c suricata.yaml -S suricata.rules --af-packet".      suricata.rules is attached.      * The packets are sent from another machine to the Suricata machine using tcpreplay.       It is an IP fragmented UDP flow.      * The rules in suricata.rules are from stream-events.rules and decoder-events.rules      As shown in detection_alert.json, all of the detection events are showing src_port:0 and dest_port:0.Can you please help me out to find out the cause of this?Thank you very muchChi Kang
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