williamthewill
Distributed nodes in different networks
Hi guys, I have a question
I’m trying connect two distributed nodes with differents networks, but in always return false
these was my attempts:
pc1: iex --name one@william --cookie secret_token
pc2: iex --name two@uriel --cookie secret_token
pc1: iex --name one@william --cookie banana --erl ‘-kernel inet_dist_listen_min 9500’ --erl ‘-kernel inet_dist_listen_max 9500’
pc2: iex --name two@uriel --cookie banana --erl ‘-kernel inet_dist_listen_min 9500’ --erl ‘-kernel inet_dist_listen_max 9500’
pc1: iex --name one@161.22.57.2 --cookie secret_token
pc2: iex --name two@189.4.78.45 --cookie secret_token
Does anyone have any idea?
maybe it’s necessary open some network port
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shanesveller
Note that the distributed Erlang protocol is really not designed for use over a WAN connection between the nodes, both in terms of its latency tolerances and mesh behavior and in terms of security considerations.
benwilson512
Right, to steal a joke from LYSE, distributed Erlang’s security protocol looks like this:
This space intentionally left blank
ityonemo
Open port 4369, that’s erlang port mapper daemon (epmd) https://erlang.org/doc/man/epmd.html
You may also have to activate other, higher port ranges in the firewall depending on your service
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ityonemo
Take your pick of rpc technologies, Jsonapi, openapi/swagger, grpc… I’m playing around with some of my own protocols (one which extends genserver over the WAN and one which extends Phoenix pubsub over the WAN) but I can’t recommend them for other people to use in prod, yet.
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