Validating web site security
Over the last few years serious security leaks have been discovered repeatedly, particularly with older SSL versions and implementations.
Use the SSL tester from 1&1 IONOS to avoid potential gaps in your SSL certificate.
- This signature can in turn be verified by the public key of the certificate issuer.
- The issuer key has to prove its validity with a certificate.
This process forms an SSL certificate chain that ensures that both dispatcher and recipient can rely on the authenticity of the certified key.
This also means that unauthorized third parties cannot read the encrypted data.
To use the SSL Checker, simply enter your server's hostname (must be public) in the box below and click the Check SSL button.
Here, you will also find instructions on how to enable your SSL certificate for My Website or Managed Word Press websites.The SSL test shows you which security gaps exist through notifications like the following example: Using the SSL checker is particularly useful if you run a website that requires the exchange of sensitive data with your clients.This kind of data exchange should always be secured by an SSL certificate, as third parties might otherwise be able to gain access to the information.- A digital certificate proves the authenticity, scope of application and jurisdiction of the public recipient key.
- A digital signature verifies the certificate of the public recipient key.
If you run an online store where the checkout process requires the entering of a delivery address and payment details by the customer, or you host a contact form on your website where interested parties can enter their name and email address, an SSL certificate is vital.