Edge Node Behavior When Port 8443 is blocked
Symptoms
- Node will not connect to the portal
- Packet capture shows the following behavior:
- DNS request and response for gatekeeper.trustgrid.io and zuul.trustgrid.io
- TCP connection attempt to port 8443 on the returned IP address with no response
- A 2 minute delay before the above cycle repeats
Cause
Verification
- Place a device in the same network (or assume the IP address of) the edge node. Confirm you can make a successful connection to gatekeeper.trustgrid.io:8443 using telnet, netcat or similar tool
Resolution