Nexcess Knowledge Base

How to block IPs specific to various countries from accessing your site.

SSL certificates are digital certificates that authenticate your website’s identity and allow for secure transmission of sensitive information.

How to cancel an existing SSL certificate attached to a Nexcess service from within your Nexcess Client Portal.

Extended Validation certificates — or Subject Alternative Name (SAN) certificates — allow a domain owner to assign multiple domains and sub-domains to a single SSL certificate.

Standing for server name indication, SNI is an TLS protocol extension that allows a server to connect multiple SSL certificates a single IP address.

A self-signed SSL certificate does not use the chain of trust used by other SSL certificates and is often used to perform internal testing without the effort of acquiring a standard SSL certificate.

Learn about the frequently misunderstood benefits of dedicated IP addresses.

Nexcess clients can learn how to perform various operations with SSL certificates for system services with NodeWorx.

Getting an SSL certificate first requires you to generate a Certificate Signing Request (CSR), and some require you to specify “domain.com” or “www.domain.com” as the common name of your website.

Wildcard SSL certificates secure website URLs and an unlimited number of subdomains under a single IP address. Wildcard SSL certificates have the same level of security as standard SSL certificates.