For those wanting to get started with IDS/IPS, this is an excellent tutorial - https://www.youtube.com/watch?v=_yIq3GM4gjA&t=6s
2021-12-02T19:50:48 suricata[27873] [100250] <Notice> -- all 1 packet processing threads, 4 management threads initialized, engine started. 2021-12-02T19:50:48 suricata[26200] [100160] <Notice> -- This is Suricata version 6.0.4 RELEASE running in SYSTEM mode
$ curl http://pkg.opnsense.org/test/eicar.com.txt