In the previous article (Logging in IPTables with NFLog and ulogd2) rules were created to log certain IPTables rules with the use of NFLOG and ulogd2 to a file in JSON format. With Promtail (https://grafana.com/docs/loki/latest/clients/promtail/), the above created log files can be sent to Loki so that they can finally be displayed in Grafana. The…