Is it possible to use a LetsEncrypt cert on an internal facing Windows site that will not resolve outside of our organization? If so, what tool should I use? I tried the GUI tool Certify but it will only work if external resolution is possible.
Any help would be greatly appreciated!
Does it have a domain name that you have control over outside of your organization ? if so you could potentially get a certificate using a DNS challenge.
If not, and it hasn’t got a public domain name associated with it, then you can’t obtain a certificate.
As an example the internal domain is “abc.123.com” We only have “123.com” available from the outside. Does that help?
Yes, that helps.
It’s perfectly possible to get a certificate for the abc subdomain using a DNS challenge.
Awesome, do you know a tool or client that runs in Windows for IIS that will do such a thing?
Others may know better - I’m more of a Linux guru. There are windows clients at https://letsencrypt.org/docs/client-options/ at least some of which include the DNS challenge such as ACMESharp
Great I’ll check it out. Thank you for your help!
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