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#tls (4)

Concepts (1)

HTTP

The request/response protocol that carries almost every API, page, and download on the modern internet — methods, status codes, headers, caching, and three wire formats (HTTP/1.1, HTTP/2, HTTP/3).
web protocol api rest network tcp quic tls web-researched

Cheat sheets (3)

certifi — Mozilla CA Certificate Bundle

Package-level reference for certifi on PyPI — what the bundle contains, install, integration with requests / urllib3 / ssl, alternatives.
pip package tls security http

cryptography — Recipes and Hazmat for Python Crypto

Package-level reference for the cryptography library on PyPI — install, version policy, Fernet, asymmetric keys, X.509, and TLS contexts.
pip package crypto security tls

urllib3 — Low-Level HTTP Client

Package-level reference for urllib3 on PyPI — connection pooling, retries, TLS, version policy, and alternatives.
pip package http networking tls