I encountered a peculiar issue where my WordPress instance was unable to reach wordpress.org, and DokuWiki could not access its plugin repository. All standard network checks (wget, curl, DNS) worked fine, and no drops were registered by the standard firewall rules.
However, logging revealed a problem deep within the Intrusion Prevention System (IPS) layer.
Continue reading Suricata IPS: Fixing Legitimate Traffic Drops by Disabling drop-invalid