Recently found a strange problem with website use The free certificate of let’s encrypt is normal when the browser accesses, but an error is reported when WGet. The error information is as follows:
wget https://www.example.com --2021-11-16 13:00:42-- https://www.example.com/ Resolving www.example.com (www.example.com)... 184.108.40.206 Connecting to www.example.com (www.example.com)|220.127.116.11|:443... connected. ERROR: cannot verify www.example.com's certificate, issued by ‘/C=US/O=Let's Encrypt/CN=R3’: Issued certificate has expired. To connect to www.example.com insecurely, use `--no-check-certificate'.
After a wave of online search, I didn’t find any effective solutions. The two methods are effective.
1. Install software
yum install -y ca-certificates
2. Replacement of issuing authority
Because I use the certificate issued by acme.sh, I use zerossl server by default when issuing the certificate, and I specify it specifically Let’s encrypt directory server, so just remove the specified server here. Use zereossl as the issuing authority.
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