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4 votes
Accepted

For an international domain name with non-ASCII characters, what goes into the CSR's CN field?

As I came across the same problem I did some research and found the following: Common name in the CSR code needs to be of a certain format. General requirements are latin alphanumeric characters and ...
DanVan's user avatar
  • 56
3 votes
Accepted

https certificate when you _only_ need backend and don't care about domain name

You will need to assign a domain name to the IP to be able to use any CA - no reputable (ie included in browsers/OS's) will sign an IP address (unless you are in the tiny minority of organisations who ...
davidgo's user avatar
  • 8,061
2 votes

How do I install a security certificate for an alias (domain pointer) in DirectAdmin?

If you are using DirectAdmin than you are not talking about redirection as Patrick Mevzek interpretated it, but about using a domainname as an alias whilst rewriting the url to the actual website ...
D.Bartenstein's user avatar
2 votes
Accepted

How do I install a security certificate for an alias (domain pointer) in DirectAdmin?

DirectAdmin 1.52.0 started supporting HTTPS for domain pointers. They say: SSL certificates used in the VirtualHost/server will be the ones from the master domain the pointer is created under. To ...
Stephen Ostermiller's user avatar
2 votes

Error parsing certificate request: x509: unsupported elliptic curve from Let's Encrypt

Per https://letsencrypt.org/docs/integration-guide/ : Let’s Encrypt accepts RSA keys from 2048 to 4096 bits in length, and P-256 and P-384 ECDSA keys. That’s true for both account keys and ...
Patrick Mevzek's user avatar
2 votes
Accepted

Wildcard certificate with certbot and DNS challenge

how can this work when it takes so long for the changes to propagate? The propagation time (“up to 48 hours for the changes to be known world wide”) is a conservative estimate of the time that ...
Anthony Geoghegan's user avatar
1 vote

TLS bound to another domain in the same hosting

I think there are 3 things that come into play here. Unfortunately the terminology you are using does not quite match to the way things hang together. The moving parts are this - Relationship ...
davidgo's user avatar
  • 8,061
1 vote

Showing company name in address bar requires SSL EV certificate, or OV also OK?

Only the EV = Extended Validation certificates give you the green bar. It looks different, though, in each browser, these are just examples: None of the OV / DV give it to you. The OV certificates ...
Vlastimil Burián's user avatar
1 vote
Accepted

Must an SSL certificate be renewed as soon as CSR is generated?

If you have explained your co-workers assertions correctly, he is incorrect. CSR's do relate to a single set of certificates and do not affect your ability to create other certs with other CSR. A CSR ...
davidgo's user avatar
  • 8,061

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