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Guides from the NOC

Written from running the hardware — what breaks, why, and the command that fixes it.

2 posts matching “proxy” in Troubleshooting · Clear

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Troubleshooting ERR_HTTP2_PROTOCOL_ERROR: Causes and the Fix

An HTTP/2 stream was rejected as malformed. Usually a bad header, a proxy that mangles frames, or PHP emitting output after the response - here is how to find which.

31 August 2026 · 4 min · 25 views Troubleshooting ERR_SOCKET_NOT_CONNECTED: Causes and the Fix

Chrome tried to write a request to a socket that was no longer connected. This one is nearly always local - here is the order to check things in.

31 August 2026 · 5 min · 25 views