server.pem -- the end user certificate
which's sent by the server to the client.
intermediate.pem -- server.pem is signed by
intermediate.pem's private key.
issuer.pem -- intermediate.pem is signed by
issuer.pem's private key.
combined.pem is created by --
cat server.pem intermediate.pem >
combined.pem
Issuer.pem is installed in the web browser.
The chain is working, I can verify this via
the SSL command --