Mert Özen Further With Every Line

Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

ALL All 764 posts
BE Backend 204 posts
FE Frontend 124 posts
DO DevOps 105 posts
DB Database 44 posts
AI Artificial Intelligence 20 posts
SEC Security 67 posts
DSN Software Design 88 posts
ARC Software Architecture 108 posts
QA Testing & Quality 4 posts
PM Project Management 0 posts
CS Computer Science Fundamentals 0 posts
SEO SEO & GEO 0 posts
DEV Developer Tools 0 posts
Series
.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6 Solution Patterns 22 SOLID and Design Principles 12 Clean Code 13 Design Patterns 23 UML and Modeling 18 Introduction to Software Architecture 9 Clean, Onion and Hexagonal Architecture 8 Vertical Slice Architecture 6 Domain-Driven Design 12 CQRS and Event Sourcing 10 Messaging and Event-Driven Architecture 9 Modular Monolith 2 Microservices 10 UI Architecture Patterns 9 Architecture Decisions 7 System Design 15 Distributed Systems Fundamentals 11 Background Jobs and Scheduled Jobs 11 Working with Message Queues 14 Logging in .NET 10 Caching 10 Real-time Applications 9 ASP.NET Core MVC and Razor Pages 13 CI/CD Fundamentals 8 GitHub Actions 16 Jenkins 12 Web Servers and Hosting 12 Deployment Strategies 9 Kubernetes 19 Authentication and Authorization 18
2 posts found #webhook
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API7 and API10: APIs That Talk to the Outside World — Webhooks, Outbound URL Validation and Not Trusting Third-Party Responses
Security PART 08

API7 and API10: APIs That Talk to the Outside World — Webhooks, Outbound URL Validation and Not Trusting Third-Party Responses

You validate a user-supplied webhook URL by shape at registration and, at connect time, on every resolved address with SocketsHttpHandler.ConnectCallback, and you treat third-party responses like user input. A DNS rebinding imitation, delivery without redirects, a signed payment webhook processed once, and a shipping API response validated with a size limit and resilience.

8 Nov 2026 12 min 2
Jenkins Multibranch Pipelines and GitHub Integration: Webhooks, PR Builds and Status Checks
DevOps PART 06

Jenkins Multibranch Pipelines and GitHub Integration: Webhooks, PR Builds and Status Checks

A multibranch pipeline opens a job automatically for every branch and PR; a webhook starts the build within seconds and the result returns to the commit as a status check. Branch source traits, a webhook blocked by a localhost URL and Gitea's SSRF protection, telling branches and PRs apart with when, a fork PR's Jenkinsfile read from the base branch, required checks, and a GitHub App instead of a PAT.

8 Nov 2026 10 min 6
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