🔐 acme.sh

An ACME Protocol Client Written Purely in Shell

✨ Features

• 🐚 An ACME protocol client written purely in Shell (Unix shell) language
• 📜 Full ACME protocol implementation
• 🔑 Support ECDSA certificates
• 🌐 Support SAN and wildcard certificates
• ⚡ Simple, powerful and very easy to use — only 3 minutes to learn!
• 🔧 Compatible with Bash, dash and sh
• 🚫 No dependencies on Python
• 🔄 One script to issue, renew and install your certificates automatically
• 👤 DOES NOT require root/sudoer access
• 🐳 Docker ready
• 🌍 IPv6 ready
• 📧 Cron job notifications for renewal or error

💡 It's probably the easiest & smartest shell script to automatically issue & renew free certificates.

📚 Wiki • 🐳 Docker Guide • 🐦 Twitter

🌏 中文说明

🏆 Who Uses acme.sh?

• FreeBSD.org
• ruby-china.org
• Proxmox
• pfsense
• Loadbalancer.org
• discourse.org
• Centminmod
• splynx
• opnsense.org
• CentOS Web Panel
• lnmp.org
• more...

🖥️ Tested OS

NO	Status	Platform
1		Mac OSX
2		Windows (cygwin with curl, openssl and crontab included)
3		FreeBSD
4		Solaris
5		Ubuntu
6	NA	pfsense
7		OpenBSD
8		NetBSD
9		DragonFlyBSD
10		MidnightBSD
11		Omnios
12		OpenIndiana
13		Debian
14		openSUSE
15		Alpine Linux (with curl)
16		Archlinux
17		fedora
18		Kali Linux
19	[](https://github.com/acmesh-official/acme.sh/actions/work