DDoS toward Singapore Datacenter

Resolved Fault / Issue Scheduled on 25/06/2025 00:54:00 Estimated finish 25/06/2025 02:03:00
1. Impact: Services and systems located in the Singapore cluster were inaccessible during the affected period.

2. Root cause: The Singapore Datacenter was hit by a UDP Attack targeting vHost's random IPs, with a volume of approximately 10Gbps of bandwidth per second and 1 million packets per second.

3. Prevention Action: vHost has temporarily blocked UDP traffic to stabilize services for other customers.

We sincerely apologize for any inconvenience this incident may have caused.
Related servers / services:
Server: s103.vhost.vn, sin01.vhost.vn, ns2 (Singapore), and several other nodes in Singapore.
Date Action
25/06/2025 03:07:00 At 03:07 AM on the same day, vHost confirmed that the attack had ceased. As a result, UDP traffic blocking was lifted.

All services have now resumed normal operation and are stable.

In case you need further support, please contact vHost through the following channels:

Call Center: 1900 6806 - press 2 (Technical Department)
Email: support@vhost.vn

Best Regards,