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Use case: coinbase fix api

info

  1. Artio solution does not support SSL/TLS. use stunnel and haproxy

    flowchart LR
    Artio["Artio<br/>(plain TCP, no TLS)"] --> HAProxy["haproxy"] --> Stunnel["stunnel<br/>(TLS termination)"] --> Coinbase["Coinbase FIX endpoint<br/>(TLS required)"]

    Artio speaks plain TCP; stunnel is what actually wraps the connection in TLS before it reaches Coinbase, with haproxy in front for routing/load-balancing.

  2. use openssl to verify connection to Sandbox fix endpoint 

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    openssl s_client -connect fix-ord.sandbox.exchange.coinbase.com:6121 -tls1_2
openssl s_client -connect fix-md.sandbox.exchange.coinbase.com:6121 -tls1_2