Let’s Encrypt now supports ACME v2 and wildcard certificates

Let’s Encrypt announces this month that ACMEv2 and wildcard certificate support is now supported.

ACMEv2 is an updated version of ACME protocol which has gone through the IETF standards process, ACME protocols handles certificate issuance and management. Wildcard certificates allows webmaster to secure all subdomains of a domain with a single certificate, it still recommend non-wildcard certificates for most use cases.

In order to use new Wildcard certificates, you need a client which is updated to support ACMEv2. It is recommended to start to using Let’s Encrypt with Certbot. Certbot software packages for some Linux distributions are available.

Let’s Encrypt is aimed to break down barriers for HTTPS adoption across the Web by making it even easier for every website to get and manage certificates.

Certbot: https://certbot.eff.org/

ACME v2 compatible clients: https://letsencrypt.org/docs/client-options/

Let’s Encrypt: https://letsencrypt.org/



Sammy Fung

Mr Sammy Fung is President and Founder of Open Source Hong Kong. He establish online community of Open Source Hong Kong in 2006, and its activities in 2010. Sammy starts his contributions in open source community in 1997, he is co-founder and founding chairman of Hong Kong Linux User Group. In 2011, Sammy also participates in open source community across Asia, he joins GNOME Asia committee in 2012, and becomes first Mozilla representative for Hong Kong in 2013. Sammy is a Python developer, open source contributer, and tech writier. He is experienced in Data Science, Django, Scrapy. GitHub / Twitter: @sammyfung Affiliates: - GNOME Asia: Committee Member. - GNOME Foundation: Member. - Mozilla: Mozilla Represenative. - Hong Kong Python User Group (HKPUG): Organiser. - Python Software Foundation: Member.

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