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13 lines
753 B
Markdown
13 lines
753 B
Markdown
# Websocket
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*Supported since NATS Server version 2.2*
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Websocket support can be enabled in the server and may be used alongside the
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traditional TCP socket connections. TLS, compression and
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Origin Header checking are supported.
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**Important**
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- NATS Supports only Websocket data frames in Binary, not Text format (https://tools.ietf.org/html/rfc6455#section-5.6). The server will always send in Binary and your clients MUST send in Binary too.
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- For writers of client libraries: a Websocket frame is not guaranteed to contain a full NATS protocol (actually will generally not). Any data from a frame must be going through a parser that can handle partial protocols. See the protocol description [here](../../../nats-protocol/nats-protocol/README.md).
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