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authentication
3 postsJuly 2026
Logging Into Higgsfield CLI on a Headless Server: The localhost Trap
Why OAuth PKCE CLI logins fail on headless servers: localhost is per-machine, redirect URIs are allowlisted, and how replaying the callback URL manually solves it.
oauthclidevopsauthenticationWhy Trusting the Database for API Auth Is a Security Risk
A technical look at how HMAC-SHA512 signing, cryptographic peppers, and layered tenancy checks prevent SQL injection attacks from turning into full tenant takeovers.
api-securityauthenticationmulti-tenancycryptographyDual-Token Authentication for Nakama Game Servers with Cognito
A dual-token architecture pairs AWS Cognito with Nakama game servers, using CloudFront, ALB, and NLB layers to validate player identity independently of game sessions.
awscognitonakamagame-servers