“Mozilla 将封杀沃通和 StartSSL 一年内新签发的所有证书”还有什么可以申请的免费 ssl 证书？

腾讯

免费的嫌烦
收费的嫌贵

最近因为一个事件, 已经全面转向 letsencrypt.
开始一直没用也是担心 3 个月的月经, 实用之后 发现还好

@htm123 免费一年的，还是野卡的(泛域名) https://assl.loovit.net

let's encrypt 可以在 crontab 里面设置每月自动更新，不用手动再申请

https://github.com/diafygi/acme-tiny

Step 6: Setup an auto-renew cronjob

Congrats! Your website is now using https! Unfortunately, Let's Encrypt certificates only last for 90 days, so you need to renew them often. No worries! It's automated! Just make a bash script and add it to your crontab (see below for example script).

Example of a renew_cert.sh:

```
#!/usr/bin/sh
python /path/to/acme_tiny.py --account-key /path/to/account.key --csr /path/to/domain.csr --acme-dir /var/www/challenges/ > /tmp/signed.crt || exit
wget -O - https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem > intermediate.pem
cat /tmp/signed.crt intermediate.pem > /path/to/chained.pem
service nginx reload
```
```
#example line in your crontab (runs once per month)
0 0 1 * * /path/to/renew_cert.sh 2>> /var/log/acme_tiny.log
```