First run looks like malware to new users
First run of Syncthing connects to dozens of unfamiliar relay and STUN servers with no up-front explanation, so users mistake it for malware.
Tier II · Emerging Problems that are still building up.
6 public reports · first reported 2 August 2026 · last reported 2 August 2026
What's going wrong
New users installing Syncthing see a firewall alert on first start, with a long list of unfamiliar domains and bare IP addresses, and some block it and abandon the tool.
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.