2020-05-10 17:23:43 +02:00
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strict digraph connection {
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Establish [label="TCP/SCTP connection established"];
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Closed [label="TCP/SCTP connection closed"];
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2021-10-28 00:32:25 +02:00
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Open;
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SASL;
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Authenticated;
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STARTTLS;
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Encrypted;
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2020-05-10 17:23:43 +02:00
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Establish -> Open [label=open];
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Open -> Closed [label=close];
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Open -> SASL [label=auth];
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SASL -> SASL [label=step];
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// Authentication fails
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SASL -> Closed [label=fails];
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// Authentication succeeds
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SASL -> Authenticated [label=successful];
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Open -> STARTTLS [label=starttls];
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// TLS wrapping succeeds
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STARTTLS -> Encrypted [label=successful];
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// TLS wrapping fails
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STARTTLS -> Closed [label=fails];
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Authenticated -> SASL_TLS [label=starttls];
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SASL_TLS -> Closed [label=fails];
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SASL_TLS -> AuthEnc [label=successful];
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Encrypted -> TLS_SASL [label=auth];
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TLS_SASL -> TLS_SASL [label=step];
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TLS_SASL -> Closed [label=fails];
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TLS_SASL -> AuthEnc [label=successful];
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// Only authenticated connections may open RPC. For "unauth", use the `Anonymous` SASL method.
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AuthEnc -> RPC [label=bootstrap];
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Authenticated -> RPC [label=bootstrap];
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}
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