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Interactive Explainer

Istio RequestAuthentication & JWT

Validate JWT tokens at the mesh boundary using Istio RequestAuthentication, enabling zero-trust API security.

🎯Key Takeaways
RequestAuthentication = validate JWT tokens
Pair with AuthorizationPolicy to enforce valid JWT requirement
JWKS URI points to your identity provider (Auth0, Okta, Keycloak)

Istio RequestAuthentication & JWT

Validate JWT tokens at the mesh boundary using Istio RequestAuthentication, enabling zero-trust API security.

~1 min read
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What you'll learn
  • RequestAuthentication = validate JWT tokens
  • Pair with AuthorizationPolicy to enforce valid JWT requirement
  • JWKS URI points to your identity provider (Auth0, Okta, Keycloak)

JWT Validation with Istio

RequestAuthentication validates JWT tokens using JWKS (JSON Web Key Sets) from your identity provider. Combined with AuthorizationPolicy (require valid JWT), you get API gateway-level security at every service without code changes.

Key takeaways

  • RequestAuthentication = validate JWT tokens
  • Pair with AuthorizationPolicy to enforce valid JWT requirement
  • JWKS URI points to your identity provider (Auth0, Okta, Keycloak)

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