# Go application security guide

Published articles for Go application security guide.

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## Ep. 8: Enhancing Go Application Security with JWT and OPA

DevFeed: [Ep. 8: Enhancing Go Application Security with JWT and OPA](<https://devfeed.tech/articles/ep-8-enhancing-go-application-security-with-jwt-and-opa-22249.md>)

Original publisher: [Read original article](<https://www.ardanlabs.com/blog/2024/07/enhancing-go-application-security-with-jwt-and-opa-ep-8.html>)

Published: 2024-07-02T00:00:00Z

Content type: tutorial

Language: en

Sources: [William Kennedy](<https://devfeed.tech/sources/william-kennedy.md>)

Topics: [Go Language](<https://devfeed.tech/topics/go-language.md>), [Security](<https://devfeed.tech/topics/security.md>), [JSON Web Tokens](<https://devfeed.tech/topics/jwt.md>), [Open Policy Agent](<https://devfeed.tech/topics/open-policy-agent.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [Authorization](<https://devfeed.tech/topics/authorization.md>), [Application Security](<https://devfeed.tech/topics/application-security.md>)

Tags: [access-control-policies-go](<https://devfeed.tech/tags/access-control-policies-go.md>), [advanced-go-security-tools](<https://devfeed.tech/tags/advanced-go-security-tools.md>), [application-security](<https://devfeed.tech/tags/application-security.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [authentication-vs-authorization](<https://devfeed.tech/tags/authentication-vs-authorization.md>), [authorization](<https://devfeed.tech/tags/authorization.md>), [comprehensive-security-framework-go](<https://devfeed.tech/tags/comprehensive-security-framework-go.md>), [dynamic-authorization-rules](<https://devfeed.tech/tags/dynamic-authorization-rules.md>), [embedding-opa-scripts-go](<https://devfeed.tech/tags/embedding-opa-scripts-go.md>), [external-service-opa](<https://devfeed.tech/tags/external-service-opa.md>), [flexible-authorization-go](<https://devfeed.tech/tags/flexible-authorization-go.md>), [go](<https://devfeed.tech/tags/go.md>), [go-application-security](<https://devfeed.tech/tags/go-application-security.md>), [go-application-security-guide](<https://devfeed.tech/tags/go-application-security-guide.md>), [go-authentication](<https://devfeed.tech/tags/go-authentication.md>), [go-authorization](<https://devfeed.tech/tags/go-authorization.md>), [go-developer-security](<https://devfeed.tech/tags/go-developer-security.md>), [go-security-best-practices](<https://devfeed.tech/tags/go-security-best-practices.md>), [go-security-frameworks](<https://devfeed.tech/tags/go-security-frameworks.md>), [go-token-expiration-management](<https://devfeed.tech/tags/go-token-expiration-management.md>), [implementing-jwt-go](<https://devfeed.tech/tags/implementing-jwt-go.md>), [jwt](<https://devfeed.tech/tags/jwt.md>), [jwt-private-key-signing](<https://devfeed.tech/tags/jwt-private-key-signing.md>), [jwt-token-generation](<https://devfeed.tech/tags/jwt-token-generation.md>), [jwt-validation-go](<https://devfeed.tech/tags/jwt-validation-go.md>), [opa](<https://devfeed.tech/tags/opa.md>), [opa-go-tutorial](<https://devfeed.tech/tags/opa-go-tutorial.md>), [open-policy-agent-go](<https://devfeed.tech/tags/open-policy-agent-go.md>), [public-key-verification-jwt-go](<https://devfeed.tech/tags/public-key-verification-jwt-go.md>), [reliable-authentication-go](<https://devfeed.tech/tags/reliable-authentication-go.md>), [robust-go-authentication](<https://devfeed.tech/tags/robust-go-authentication.md>), [scalable-security-go](<https://devfeed.tech/tags/scalable-security-go.md>), [secure-go-applications](<https://devfeed.tech/tags/secure-go-applications.md>), [secure-token-management](<https://devfeed.tech/tags/secure-token-management.md>), [security](<https://devfeed.tech/tags/security.md>), [updating-access-control-policies-go](<https://devfeed.tech/tags/updating-access-control-policies-go.md>), [verifying-user-identity-go](<https://devfeed.tech/tags/verifying-user-identity-go.md>)

### AI overview

This episode explains authentication and authorization for Go applications, including JWT generation, signing, validation, and expiration management. It also introduces Open Policy Agent for managing dynamic authorization rules separately from application code.

### Source excerpt

Introduction: In this segment, Bill delves into the fundamental aspects of authentication and authorization, equipping Go developers with essential knowledge and advanced tools to enhance the security of their applications. Through practical examples and detailed explanations, he unpacks the intricacies of these concepts, demonstrating their crucial role in protecting and managing access to your software systems. Learn the distinct roles of verifying user identity and determining access levels. Discover how to use JWTs for secure token generation, validation, and expiration management.