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The phrase "httpsvoorbeeld..." appears to be a placeholder or misspelling rather than a defined topic. This article provides a concise overview of HTTPS, the secure version of the Hypertext Transfer Protocol used on the Web.

HTTPS stands for Hypertext Transfer Protocol Secure. It combines HTTP with Transport Layer Security (TLS) to encrypt data in transit, providing confidentiality, data integrity, and server authentication.

How it works: When a client connects, the server presents a certificate; the client validates it against trusted certificate authorities; a TLS handshake negotiates encryption keys; subsequent HTTP messages are encrypted with session keys.

Certificates and PKI: HTTPS relies on X.509 certificates and a public key infrastructure. Certificates can be domain-validated (DV), organization-validated (OV), or extended-validated (EV). A chain of trust links server certificates to trusted root authorities.

Usage and indicators: URLs begin with https://; browsers show a padlock icon and may warn about invalid certificates. Security policies like HTTPS Strict Transport Security (HSTS) help enforce secure connections.

Security and limitations: HTTPS protects against eavesdropping and tampering, but only if configurations are correct and trusted CAs are used. Weak ciphers, outdated TLS versions, misissued certificates, or compromised private keys reduce security.

Best practices: Use TLS 1.2 or 1.3, disable older protocols, enable strong ciphers, implement HSTS, obtain certificates from reputable authorities, automate renewal (e.g., Let's Encrypt), and monitor certificate validity.