HTTP & APIs Articles
53 articles
Fix "Proxy Connection Failed" Errors in Corporate Networks
Renew Expired SSL/TLS Certificates Without Downtime
Fix SSL/TLS Certificate Hostname Mismatch Errors
Fix Self-Signed Certificate Trust Errors in Development and CI
Fix "Too Many Redirects" Errors in Nginx and Apache
Fix HTTP Chunked Transfer Encoding Errors in Proxies
Fix HTTP 426 Upgrade Required Errors
Design Idempotent Message Processing for Distributed Systems
Choose Between Avro and Protobuf for Message Serialization
Implement Rate Limiting and Backpressure in Messaging Systems
Fix "Connection Reset by Peer" HTTP Errors
Fix HTTP Content-Length Mismatch Errors
Fix HTTP Decompression Failed Errors in Proxies and Clients
Fix HTTP/2 Protocol Errors in Browsers, Proxies, and Servers
Implement OAuth2 Authentication for APIs
Compare API Documentation Tools: OpenAPI, Swagger, and Redoc
Design API Gateway Architecture: Routing, Auth, and Rate Limits
Configure Rate Limiting in Kong, AWS API Gateway, and Nginx
Monitor and Log API Traffic for Debugging and Compliance
Version REST APIs with URL, Header, and Query Param Strategies
How ARP Resolves IP Addresses to MAC Addresses
Maintain Backward Compatibility When Evolving APIs
Implement HTTP Content Negotiation for Multi-Format APIs
Fix and Secure CORS in REST APIs
Encrypt Data at Rest and in Transit in Cloud Infrastructure
Design REST API Error Responses That Developers Actually Understand
Limit GraphQL Query Complexity to Prevent Abuse
GraphQL vs REST: Choose the Right API Style
Use gRPC for Internal Microservice Communication
Design a Rate Limiter with Token Bucket and Sliding Window
HTTP/1.1 Explained: Methods, Status Codes, and Headers
HTTP/3 and QUIC Explained: What Changed and Why It's Faster
Use Idempotency Keys to Make API Mutations Safe to Retry
Run an Infrastructure Security Assessment: Methodology and Findings
How DHCP Assigns IP Addresses to Devices on a Network
How NAT Translates Private to Public IP Addresses
Calculate Network Bandwidth Requirements for Your Application
Write OpenAPI Specs That Document Your REST API Completely
Paginate API Responses with Cursor, Offset, and Page-Number Strategies
Configure Proxy Protocol for Real IP Forwarding Behind Load Balancers
Compare Rate Limiting Algorithms: Token Bucket, Leaky Bucket, Sliding Window
REST API Design Patterns: Resources, Responses, and Versioning
Design SDKs That Developers Actually Want to Use
How TCP Congestion Control Prevents Network Collapse
TCP vs UDP Tradeoffs: When Reliability Beats Speed
How UDP Checksums Detect Corrupted Packets
Design Reliable Webhooks with Signatures, Retries, and Delivery Guarantees
JWT Attack Techniques: alg:none, Key Confusion, and Token Forgery
OAuth 2.0 Security Attacks: CSRF, Redirect URI Hijacking, and More
How Cloud Providers Encrypt Data at Rest
What Is JWT? Decode, Verify, and Understand JSON Web Tokens
What Is OAuth 2.0? Authorization Flows Explained for Developers
How Webhook Signature Verification Proves Events Are Authentic
How HTTP Caching Works: ETags, Cache-Control, and Vary Headers
How HTTP Caching Works — Learn more in our free networking course.
HTTP vs HTTPS: What Changes When You Add Encryption
Http Vs Https — Learn more in our free networking course.
TCP vs UDP: Understand the Core Difference
Most treat this as black box. Understanding reveals bottlenecks, failures, and trade-offs you control. Learn mechanisms today.
How the TCP 3-Way Handshake Establishes Connections
Most treat this as black box. Understanding reveals bottlenecks, failures, and trade-offs you control. Learn mechanisms today.
What Is HTTP? The Protocol That Powers the Web
Most treat this as black box. Understanding reveals bottlenecks, failures, and trade-offs you control. Learn mechanisms today.
What Is HTTP/2? Multiplexing, Server Push, and HPACK Explained
Most treat this as black box. Understanding reveals bottlenecks, failures, and trade-offs you control. Learn mechanisms today.
What Is HTTP/3? How QUIC Replaces TCP Under the Hood
What Is HTTP/3? QUIC Explained Simply — Learn more in our free networking course.
What Is an HTTPS Certificate and How Does It Work?
What Is an HTTPS Certificate? — Learn more in our free networking course.
What Is SSL/TLS? How Certificates Encrypt Web Traffic
What Is SSL/TLS? (The Lock Icon Explained) — Learn more in our free networking course.
What Is TCP Congestion Control and Why Does It Matter?
Most treat this as black box. Understanding reveals bottlenecks, failures, and trade-offs you control. Learn mechanisms today.
The TCP/IP Model Explained: Four Layers, Real Packets
Most treat this as black box. Understanding reveals bottlenecks, failures, and trade-offs you control. Learn mechanisms today.