First of all, we sincerely apologize for any inconvenience experienced due to this issue.
On November 18, 2025, the CLO-SET service was inaccessible for approximately 2 hours and 54 minutes.
We immediately identified the cause, which was related to the Cloudflare firewall service. The issue was resolved by restoring service through Cloudflare, and access was fully restored on November 18 at 2:42 PM (UTC).
Incident Summary
Impact : Access to the CLO-SET service
Incident Date : November 18, 2025 (UTC)
Incident Time : 11:48 AM – 2:42 PM (UTC)
Reason : The Cloudflare firewall service was unavailable.
Resolution : The Cloudflare firewall service was restored.
We will continuously monitor the system and put our best effort into providing a flawless experience to our users.