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The TLS handshake establishes a secure connection for HTTPS, ensuring data safety.

Secure API design requires multiple strategies to protect sensitive data and access.

The TCP 3-way handshake ensures reliable connection establishment between a client and server.

API keys help identify clients and control their access to APIs securely.

SSRF is a vulnerability where an attacker tricks a server into making unintended requests.

Microservices can communicate using five key patterns based on their needs.

Protobuf schema evolution requires careful changes to avoid breaking existing clients.

REST, RPC, and gRPC are different methods for communication in software systems.

Session-based authentication uses cookies to remember users after login.

The CAP Theorem explains the trade-offs in distributed systems during network failures.

Synchronous communication waits for a response, while asynchronous continues without waiting.

JWTs allow secure user authentication without needing session storage.

Network partitions occur when servers are operational but can't communicate, affecting system performance.

2-Phase Commit helps maintain data consistency in transactions across multiple databases.

Fail Fast means stopping quickly on errors, while Fail Safe ensures safety in failures.