Understanding SAN certificates

A SAN certificate is an SSL/TLS certificate which hosts multiple domains and subdomains on the single certificate. It is often called a Multi Domain certificate. They are used for a number of reasons; from server limitations to sheer convenience. What is a SAN? To better understand what a SAN SSL/TLS certificate is, we will need […]

Sectigo removes CRL support in newly issued certificates

Generate a CSR for SSL/TLS

Sectigo (formerly Comodo CA) has removed CRL distribution points on newly issued Domain Validated (DV) SSL/TLS certificates. I speculate that Organization Validated (OV) and Extended Validation (EV) SSL/TLS certificates will soon no longer contain CRL distribution points either. What is CRL? A Certificate Revocation List (CRL) is a list of SSL/TLS certificate serial numbers which […]

ICANN urges full implementation of DNSSEC

The Internet Corporation for Assigned Names and Numbers (ICANN), a nonprofit organization dedicated to collaboration towards a secure and globally unified internet, has reacted to increasing reports of attacks on DNS infrastructure by urging registrars to adopt DNSSEC. What is ICANN?An internationally organized corporation that has responsibility for IP address space allocation, protocol identifier assignment, […]