slo 4
- SSO Series Companion: Every SSO Flow Explained with Metaphors | SSO 系列補充篇：用比喻拆解所有 SSO 流程
- SSO Series Companion: Professional Terms Wiki and Beginner Tutorial | SSO 系列補充篇：專業術語 Wiki 與新手教學
- SSO Series Part 7: IdP-Initiated Back-Channel Logout (BCL) | SSO 系列之七：IdP 發起嘅後台登出 (BCL)
- SSO Series Part 6: Single Logout (SLO) - SP-Initiated Flows | SSO 系列之六：單一登出 (SLO) - SP 發起流程