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Syncthing web GUI refuses connections when not running

The Syncthing web interface refuses connections when the background process has stopped or never started, and nothing says why.

Tier I · Proven The best-established problems.

6 public reports · first reported 3 September 2026 · last reported 7 September 2026

Idea report · $19 · No contacts · All sales final

See a sample idea report

What's going wrong

Users cannot reach the Syncthing web interface and see a connection refused error because the background process is not running.

AI-assisted: written with the help of AI from the reports. The idea report has the full summary.

In the idea report

  • The full summary.
  • The products the 6 reports are about, and how many came each month.
  • Related problems.

No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.