Node.js error

ERR_PROXY_TUNNEL

Failed to establish proxy tunnel when NODE_USE_ENV_PROXY or --use-env-proxy is enabled.

Reference entryNode.jsFetched 25 Sept 2026

This is a reference entry from Node.js documentation. A full explanation with fixes has not been written yet.

The error message

Node.js documentation lists the code ERR_PROXY_TUNNEL without the printed message text.

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Source: Node.js documentation. Data fetched 2026-09-25T01:43:12.380Z.