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