AlpiroSSL - Frequently asked questions

Frequently asked questions

What is the difference between entities issuing SSL certificates?

First of all, it is essential to ensure that the issuing entity is liable to provide trusted SSL certificates. It is required the the issued SSL certificates are compatible with all web browsers (browser ubiquity) and operating systems. If not, such SSL certificate will act as a non-trusted certificate and will cause a web browser to display a security warning.

AlpiroSSL SSL certificates are compliant with all strict industry standards and due to the GeoTrust™ root certificate, the certificates' trust is guaranteed. Yes, it is the same trusted root CA certificate, which is also trusted by Google, GeoTrust and RapidSSL SSL certificates. By using AlpiroSSL to secure your server, you can be sure that there will never be any such security warning displayed to your clients and visitors.

AlpiroSSL SSL certificates

What information is included in AlpiroSSL certificates?

The information below is always included in each AlpiroSSL SSL certificate:

fully qualified domain name (plus SAN extension to secure such domain without "www"), or a subdomain
public key

Are AlpiroSSL certificates supported by all web browsers?

Yes, the AlpiroSSL SSL certificates are fully trusted by all major web browsers (including Chrome, Firefox, Opera, Internet Explorer etc.) among most modern operating systems (including Windows, Mac OS and most Linux distributions) and mobile devices. A security warning regarding untrusted SSL certificate will never appear to your visitors again. Remember it is essential to install your AlpiroSSL on the server correctly together with the AlpiroSSL intermediate CA certificate to assure the certificate behaves properly.

What is the compatibility with servers?

Simply, if your server supports SSL certificates, then it also supports AlpiroSSL. You can install AlpiroSSL certificate on any web server or mail server (SMTP, POP3, IMAP), or secure a database or FTP server.

How about support by mobile devices?

AlpiroSSL certificates are fully compatible with and trusted by most mobile platforms, including iOS, Android, Windows Phone, BlackBerry and Firefox OS. However, very old versions of some mobile operating systems may not support wildcard SSL certificates as these do not support wildcard character in the certificate.

Which signature algorithm is used by AlpiroSSL?

All AlpiroSSL SSL certificates use the strong SHA-2 (sha256) signature algorithm. SSL certificates with older SHA-1 algorithm are no longer being issued.

What is actually the Wildcard SSL certificate?

A wildcard SSL certificate secures a whole domain name including all its subdomains. With a single AlpiroSSL Wildcard SSL certificate issued for *.alpirossl.cz, you can secure:

alpirossl.com
www.alpirossl.com
mail.alpirossl.com
client.alpirossl.com
whatever.alpirossl.com

Process of issuing AlpiroSSL SSL certificates

What is CSR and how can I get it?

A CSR (Certificate Signing Request) is a message sent from an applicant to a certification authority in order to apply for an SSL certificate. CSR contains a public key, which we will sign in order to issue your SSL certificate. Follow our simple instructions to generate a CSR.

How can I authorize an AlpiroSSL request for my domain?

Your request to issue a new AlpiroSSL SSL certificate can be authorized in a few moments by e-mail — simply click at the authorisation link in the e-mail we sent to a selected address and then click at "I approve".

To prove your control over the domain name, the authorisation e-mail will be sent to one of the following e-mail addresses:

admin@
administrator@
hostmaster@
postmaster@
webmaster@

As soon as you approve the certificate request, the certificate will be issued automatically within minutes.

We did not receive the authorisation e-mail. What can we do?

First of all, please check the spam and trash folders in your mail box to ensure the authorisation e-mail has not been moved there by your mail server's spam filter. If the authorisation e-mail can neither be found in your spam or trash folder, kindly switch off all spam filters and submit a request to resend the authorisation e-mail.

How to install AlpiroSSL on server

Installation of AlpiroSSL SSL certificates is simple and will not take longer than a few minutes.

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