Articles tagged as “SSL Labs”
Articles I've written
Check TLS certificate revocation with SSL Labs, crt.sh and OpenSSL
March 7, 2020 (updated July 27, 2024)
Browsers mostly don't check whether a HTTPS certificate has been revoked so maybe you'd like to do it manually. There are a few ways how to query an Online Certificate Status Protocol (OCSP) server so let's see some of them. You'll need a browser (and the openssl tool).
Disable TLS 1.0 & 1.1 today
October 16, 2018 (updated March 23, 2021)
Microsoft, Google, Apple & Mozilla announced yesterday that they're removing TLS 1.0 and TLS 1.1 protocols from Internet Explorer, Edge, Chrome, Safari & Firefox browsers in the beginning middle of 2020. Your visitors most probably don't use them already so you can disable them in your server configs today. But let's verify that first using the “Handshake Simulation” tool available in the SSL Labs Server Test.