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[Workers] TCP Workers Outbound IP #17231

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Oct 23, 2024
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[Workers] TCP Workers Outbound IP #17231

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5 changes: 5 additions & 0 deletions src/content/docs/workers/runtime-apis/tcp-sockets.mdx
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Expand Up @@ -15,6 +15,11 @@ Many application-layer protocols are built on top of the Transmission Control Pr
Connecting to a PostgreSQL database? You should use [Hyperdrive](/hyperdrive/), which provides the `connect()` API with built-in connection pooling and query caching.
:::

:::note

TCP Workers outbound connections are sourced from a prefix that is not part of [list of IP ranges](https://www.cloudflare.com/ips/).
:::

## `connect()`

The `connect()` function returns a TCP socket, with both a [readable](/workers/runtime-apis/streams/readablestream/) and [writable](/workers/runtime-apis/streams/writablestream/) stream of data. This allows you to read and write data on an ongoing basis, as long as the connection remains open.
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