OneLinersCommand workbench
Verified diagnostic signature

The connection attempt received no usable response before its deadline.

Match output from network, understand the likely cause, then continue with sourced, read-only checks.

Confidence
high
Platforms
linux · macos · windows
Verified
2026-07-24
Recognized output

Signature matched locally

ETIMEDOUT

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Likely causes

What usually produces this signal

  1. Dropped packets or firewall policy
  2. Routing failure
  3. Unresponsive destination
  4. Incorrect address
Safe next checks

Collect evidence before changing the system

01

Check whether a TCP port accepts connections

nc -vz <host> <port>

The output matches the expected target and exits without an error.

02

Trace the network path to a host

traceroute <host>

The output matches the expected target and exits without an error.

03

Run a report-mode path quality test with loss and latency statistics

mtr --report --report-cycles <count> --wide <host>

The output matches the expected target and exits without an error.