Let's Encrypt

wikipedia:Let's Encrypt project was started in 2012 and provides X.509 certificates for Transport Layer Security (TLS) encryption at no charge. Internet Security Research Group, the Californian public-benefit corporation behind Let's Encrypt, was incorporated in May 2013.

Let's Encrypt certificate are valid for 90 days. Let's Encrypt do not support certificates for IP address. https://github.com/certbot/certbot/issues/1985#issuecomment-166733399

Logs:

• /var/log/letsencrypt/letsencrypt.log

Configuration:

• /etc/letsencrypt/renewal/

Activities

1. Learn about the official certbot, and how to create and renew certificates

Related terms

• openssl
• Boulder ACME-based certificate authority,
• Google Trust Services

See also

• Certbot, Let's Encrypt: certbot (command), plugins, OCSP, certbot certificates, certbot renew (examples), /var/log/letsencrypt/letsencrypt.log, Certificate Checker, Certbot changelog, certbot --help, /etc/letsencrypt/
• CA, Root Certificates, FreeIPA, PKI, OpenCA, Wildcard certificate, certtool, certbot (Let's Encrypt), certinfo (Cloudflare), ACME, Boulder, cfssl (Cloudflare), Public key certificate, public key, TLS and X.509, OCSP, Subject Alternative Name (SAN), openssl ca, Self signed certificate, CSR, keytool, ACM, KMS, aws acm, IdenTrust, multirootca, cert-manager, ca_cert_identifier