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Author : Jason Dobry
Jason Dobry
September 09, 2019

What is a CSR?

A Certificate Signing Request (CSR) is a block of encrypted text created on the server that will use an SSL certificate. A Certificate Authority (CA) will use the CSR to create your SSL certificate.
September 09, 2019

What is a multi-domain SSL certificate?

Multi-domain SSL certificates — or Subject Alternative Name (SAN) certificates — allows one IP address to serve multiple domains and subdomains, though all of those domains must have the same owner.
September 09, 2019

ICANN Owner Info Verification

Internet Corporation for Assigned Names and Numbers (ICANN) requires that all domain owners verify their WHOIS information. Update domain details using your OpenSRS account and inform Nexcess staff.
September 09, 2019

What is the Comodo UserTrust Subscriber Agreement?

The Comodo UserTrust Subscriber Agreement is a binding legal document detailing your rights and obligations as a user of the Comodo UserTrust logo and services.
September 09, 2019

How to get email headers

Learn how to get email header for different email clients with our step-by-step guide. Retrieve useful information about unwanted emails or failed-to-send emails.
September 09, 2019

What is SpamAssassin?

SpamAssassin is an open source application for filtering spam in email and web server applications. It uses heuristics — pattern recognition — to identify spam.
September 09, 2019

How to create and edit reverse DNS records in the Client Portal

How Nexcess clients in dedicated or cluster environments can configure reverse DNS records from their Nexcess Client Portal.
September 09, 2019

How to recreate keys for SSL certificates

Learn how Nexcess clients on physical (non-cloud) servers can recreate SSL keys by either using SiteWorx or the command line interface (CLI).
September 09, 2019

How to install SSL certificates in SiteWorx

Learn how Nexcess clients on physical (non-cloud) servers can use SiteWorx to install SSL certificates and set up an SSL chain certificate — regarding intermediate and root certificate authorities.
September 09, 2019

What is a chain of SSL certificates?

A chain of SSL certificates contains all of the SSL certificates (root, intermediate, and end user) issued by a Certificate Authority (CA) required to verify the subject in the hierarchy of trust.
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