Category
Certificates
Certificate authorities, chains of trust, expiry and renewal.
Category
Certificate authorities, chains of trust, expiry and renewal.
CAs are the backbone of the web's trust model. They validate who is requesting a certificate, sign it with their key, and browsers trust th…
Every certificate has an expiry date. Once passed, browsers refuse to load the site. Because certificates now renew as often as every 90 da…
Browsers ship with a list of trusted root Certificate Authorities. Your site's certificate chains up to one of those roots through one or m…
Self-signed certificates provide encryption but not verified identity, so browsers cannot trust them automatically. They are useful for int…
As sites grow into many subdomains or brands, managing a certificate per hostname becomes painful. Wildcard certificates cover every subdom…