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ERR_SOCKET_BAD_TYPE

socket bad type

What does this code mean?

Code ERR_SOCKET_BAD_TYPE · An issue reported by Node.js.

Official explanation · Original text

An API function expecting a socket type (udp4 or udp6) received an invalid value.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

Errors | Node.js v26.13.1 Documentation ↗

Creator: Node.js contributors; Joyent, Inc. and other Node contributors
License: MIT License (Node.js documentation)
Checked on: 2026-11-12

Modifications: English prose extracted; whitespace normalized; Korean context and classified official links added. Python code examples not redistributed.

Source details · Original licenses and notices