I'm having trouble using Let's Encrypt for my ikev2 server.
The client can't connect. Why? It was working fine before.
When you opened this thread in the Help section, you should have been provided with a questionnaire. Maybe you didn't get it somehow (which is weird), or you've decided to delete it (and make our life a lot harder). In any case, all the answers to this questionnaire are required:
Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is:
I ran this command:
It produced this output:
My web server is (include version):
The operating system my web server runs on is (include version):
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don't know):
I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):
@persec01 If you are talking about the StrongSwan server you should look at this thread: IKEv2 (strongSwan) fails with Let's Encrypt YR2 chain (works with other servers / chain mismatch suspected) - #6 by MaxHearnden
If not, please complete the answers from the form Osiris showed
The other thread involving strongSwan now has a well-described solution. Just in case this is the same server you are using.