The Software Architect Who Believed in Bug-Free Software
I once worked with an architect who had a fascinating theory about software development.
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14 articles tagged API Gateways.
MCP Governance With Bifrost AI Gateway
The Model Context Protocol (MCP) has changed the relationship between an LLM and the systems around it.
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Input Validation: Because Users Are Creative, and Attackers Are More Creative
There is a special kind of optimism that exists in software development.
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A Vendor DMZ Pattern
A long time ago, I was doing integration architecture work in the land of Enterprise Service Buses (ESBs) and API Gateways. Think IBM WebSphere DataPower and Apigee — I like to remember Apigee the way it was before it was integrated into GCP. After we had designed and built the ESB, we moved on to…
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API Design: Planned, Unplanned, Security and Utter Chaos
I’ve discussed APIs and API Management in previous blog posts. These are among my older blog posts, but the points being made are, generally, still relevant. I’ve never published a blog post exclusively about API design. I have a blog post about “API Gateways and Multiple Consumer Types” where I…
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Application Front-Ends Must Not Make Authorization Decisions
First, let’s get the usual introductions out of the way. For an in-depth discussion of what Authorization is, check out this post. For a complete introduction to Authorization concepts see my Authorization Series. This post continues my long-running Authorization Series. In this post, we’re going…
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API Gateways and Multiple Consumer Types
Sometimes at client sites, I see a separation of APIs advertised on an API Gateway based upon consumer type. Sometimes, this is unavoidable, but there should be a core set of APIs and a general push to create APIs that are reusable. Reusability of APIs is a foundational building block of API…
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Making Authorization Decisions
This blog post continues our discussion of Authorization in the API space. It will explore common authorization patterns with API Gateways and the backend API Providers. Generally, the API Gateway will apply a Coarse Grained Authorization (CGA) decision and the API Provider will implement Fine…
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OAuth2 Access Tokens vs API Keys — Using JWTs
There are several approaches to securing APIs. Every API Gateway vendor supports the same core set of API security mechanisms. API Keys and OAuth2 are two examples of these authentication (plus authorization) mechanism. When should one be used over the other? What are the differences between the…
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