F5 incident
Informational: New Regional Edge Site — Seoul, South Korea (sel1-kr)
F5 experienced a notice incident on September 2, 2026 affecting Portal & Customer Login and Seoul, South Korea, lasting 8d 20h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- monitoring Sep 02, 2026, 08:50 PM UTC
Dear Valued Customers, F5 Distributed Cloud Expands Global Footprint into Korea. We are pleased to announce the launch of a new Regional Edge (RE) cluster in Korea (sel1-kr), further expanding the F5 Distributed Cloud global network. This new point of presence strengthens our coverage in Northeast Asia. The Korea RE site delivers: 1. Reduced latency for customers and end users in Korea. 2. Improved application performance through localized traffic processing closer to end users. 3. Full feature parity with all existing RE sites. Go-Live Schedule: 8 September 2026 at 08:00 UTC To ensure uninterrupted connectivity between the F5 Distributed Cloud Korea RE site and your origin infrastructure, please update your firewall allowlists to include the network range 159.60.186.0/24 prior to the Korea RE go-live date. If you have any questions or concerns, please do not hesitate to contact us at [email protected].
- resolved Sep 11, 2026, 05:12 PM UTC
Seoul, South Korea, Regional Edge site is now live.