Hello, I've been troubleshooting an issue for a bit now and I'm not sure where to go. ISSUE: I have two Linux hosts (FleetDM Server itsself on Ubuntu, and a Debian server) who will not respond to queries, yet show up as valid hosts listing all software/vulns,etc... STACK • Ubuntu 24.04 LTS hosted on a major cloud provider • Apache2 for Reverse Proxy • All services running localhost (Apache, REDIS, MYSQL, FleetDM) ERROR LOGS: • syslog shows errors like '2024-08-10T123652.090409+00:00 FleetDM fleet[753]: level=error ts=2024-08-10T123652.088296762Z component=http method=POST uri=/api/v1/osquery/distributed/write took=4.885414ms ip_addr=XXX.245.XXX.41 x_for_ip_addr=XXX.245.XXX.41 ingestion-err="campaignID=10 waiting for listener" err="error in query ingestion" ' • No errors in mysql logs • No errors in redis logs • No erros in apache2 logs SCREENSHOTS: • My FleetDM Config file • FleetDM Hosts Dashboard • Queries Page • Live Query page • Ubuntu syslog errors • Apache2 Virtual Host File FIREWALL: • Configured on the cloud provider portal • Inbound Ports 22,80,443 open on all machines • No outbound ports blocked And recommendations on where to go, what to troubleshoot next, or any configuration recommendations? Thanks in advance

#C01DXJL16D8 might be a better place to get answers

❤️ You are correct, thank you