[erlang-questions] setting up distribution between a local node and a firewalled node

[Felix Gallo]

If you were to believe https://gist.github.com/pnc/9e957e17d4f9c6c81294,
setting up distribution between a local node and a firewalled node would be
as simple as:

1) proxying a connection to the epmd running on the firewalled node so that
your local port 4369 connects to the firewalled node's epmd
2) running 'epmd -names' to identify the distribution port that the
firewalled node is using
3) proxying that port too
4) CHANGING YOUR HOSTNAME TO MATCH THE REMOTE NODE'S HOSTNAME (!?)
5) starting up a local node 'debug@REDACTED' with the same cookie as that
firewalled node, your local node then registering using the proxied epmd on
4369
6) running, e.g., 'net_adm:ping('target_node_name@REDACTED').

However, this doesn't seem to work, because I get pang.  So many pangs.
Regardless of how I try to qualify the node name.

Some questions:

a) step 4, that's, like, not actually how it has to happen, right?
b) what am I likely to be missing?

F.
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