wildcard

What is a Wildcard SAN Certificate and How Does It Work?

The most versatile SSL/TLS certificate available today is the multi-domain wildcard, or what’s known as a wildcard SAN certificate. Not only does it give you the flexibility to encrypt multiple domains — up to a total of 2,000 domains per certificate — but it can also secure any associated first-level sub-domains.

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Paid vs Free Wildcard SSL — The Ultimate Comparison

Having an SSL certificate is a necessity for customers to feel secure on your site — especially if they’re inputting any data on the site. As more browsers follow Google’s lead in marking all HTTP sites as “not secure,” this is becoming an even more important issue. However, as more companies shift from HTTP to HTTPS, organizations like Let’s Encrypt have made access to free SSL certificates possible in a pursuit of making the web more secure for everyone. This includes free wildcard SSL certificates.

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What’s The Difference Between Multi-Domain & Wildcard SSL Certificates?

Multi-Domain vs Wildcard: What’s The Best SSL For My Site?

Cybercrime is at an all-time high and its onward march doesn’t seem like it will be stopping any time soon. According to the ThreatMetrix Q2 Cybercrime Report, cyber-attacks increased by 100% from 2015 to 2017, and they continue to do so even now. Google has led the fight against this escalation in Cybercrime by encouraging all websites to use SSL certificates to switch to HTTPS.

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What’s The Difference? Wildcard Certificate vs Regular SSL Certificate

Similarities and differences between wildcard and standard SSL certificates

Now that HTTPS is a browser requirement for all websites, you may have some questions about what type of SSL certificate works best for your website. In order to serve your site via HTTPS, you’ll need to install an SSL certificate on your server and then configure your site to make HTTPS connections.

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How To Use A Wildcard SSL Certificate

How To Use A Wildcard SSL Certificate

How To Use A Wildcard SSL CertificateA Wildcard SSL certificate is an incredibly versatile SSL option. A single Wildcard can secure connections for one domain and an unlimited number of subdomains.

Wildcard certificates can save your organization a substantial amount of money and eliminate the hassle associated with managing multiple certificates. (There are a few scenarios wildcard certificates aren’t a good fit for, which we’ll cover at the end of this article.)

Using a wildcard SSL certificate is quite easy – we’ll go over the basics of how to use a wildcard SSL certificate, as well as when you should and shouldn’t use them.

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How Do Wildcard SSL Certificates Work?

How wildcard ssl certificates work

wildcard certificate unlimited subdomains

A Wildcard SSL certificate is an incredibly versatile tool for encrypting a website and an unlimited number of sub-domains. It provides myriad advantages in the form of its flexibility, cost-effectiveness and ease of management.

But how do wildcard certificates work? Here’s an explanation of how a Wildcard certificate works both in theory and in practice.

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How To Install A Wildcard SSL Certificate On Nginx

nginx wildcard certificate csr

Step-by-step instructions for installing a Wildcard certificate on Nginx

Nginx is one of the most popular web servers around, and installing your Comodo Wildcard SSL certificate on Nginx is simple. Once your wildcard SSL certificate is installed, it will automatically secure all of your subdomains. And thanks to Comodo’s unlimited server license, you can install your certificate on as many servers as needed.

Just follow the steps included in this guide and your SSL certificate will be installed in no time.

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How to Install a Wildcard SSL Certificate on Multiple Servers

Installing a wildcard certificate on multiple servers

Installing a Wildcard SSL certificate on more than one server is easy with Comodo

How To Install A Wildcard SSL Certificate On Multiple ServersA lot of people ask how to install a wildcard SSL certificate on multiple servers as a result of one bad policy by one big CA. We won’t name names or anything, but one large, overpriced CA (rhymes with shyshmantic) charges something called a server license, wherein you have to pay an additional fee for each server you install your SSL certificate on.

This practice is the embodiment of everything that’s wrong with the SSL industry. There is no good reason why you should have to pay an additional fee to use a product you’ve already purchased.

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Can You Use A Comodo Wildcard SSL Certificate With Multiple IP Addresses?

How To Install A Wildcard SSL Certificate On Multiple Servers

Comodo allows its Wildcards to be used on unlimited servers

Install a wildcard certificate on multiple IP addressesMany Certificate Authorities have strict policies when it comes to how many servers you may install their SSL certificates on. For instance, Symantec makes you pay a license for each server.

Comodo doesn’t believe in this, rather it wants to empower its customers to use its certificates on as many physical servers as they need. This means you can install one certificate on as many servers as you want or need without having to pay any additional fees.

By extension, this means you can use a Comodo Wildcard SSL certificate with multiple IP addresses on your system for all of your sub-domains.

Wildcard SSL Certificates

Comodo Wildcard

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Pros and Cons of Wildcard SSL Certificates

Pros and cons of wildcard ssl certificates

Pros and cons of wildcard ssl certificates

Here’s an honest accounting of the advantages and disadvantages of Wildcard SSL

A Wildcard SSL Certificate is among the most versatile certificate types available. With one certificate, you can encrypt a website and all of its sub-domains.

Simple, right? But what are the pros and cons of using a Wildcard SSL certificate? Let’s look.

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What’s the Best Wildcard SSL Certificate?

Comodo has a perfect Wildcard SSL solution for every situation

What’s the best wildcard SSL certificate? That’s subjective, of course. But the best Certificate Authority to buy a Wildcard SSL certificate from is Comodo. That’s because Comodo CA has a perfect Wildcard SSL certificate for every situation. Whether you’re a small website with a smaller budget or a massive Enterprise with a myriad of security needs– there’s a Comodo Wildcard SSL certificate for you.

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Where can I buy a Wildcard EV SSL Certificate?

Where Can I Buy A Wildcard EV SSL Certificate

An Extended Validation Wildcard SSL certificate would be useful, wouldn’t it?

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Get A Wildcard SSL Certificate for Multiple Sub-Domains

wildcard ssl for subdomains

Secure all your subdomains with one wildcard ssl certificate

How to encrypt multiple subdomains with a single SSL certificate

A Wildcard SSL Certificate makes securing a website and its multiple subdomains simple. Pay one flat price and encrypt all your subdomains. And we sell Comodo Wildcards for the best price you’ll find anywhere–guaranteed.

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Wildcard SSL Certificate Price Comparison

Comparing Costs & Features For Comodo Wildcard SSL Certificates

Looking for the best price on a wildcard ssl certificate? A Wildcard SSL Certificate is a powerful tool for encrypting domains with accompanying sub-domains easily and affordably. One certificate is all it takes to secure your main domain and an unlimited number of sub-domains. Without Wildcards, encryption would be exponentially more expensive and require considerably more work.

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How to Generate a CSR for a Wildcard SSL Certificate

Wildcard certificate csr

Your guide to generating a Wildcard CSR on any server

Your Certificate Signing Request (CSR) is more or less an application for an SSL certificate. You can’t get an SSL certificate issued without one. A CSR is an encoded file that offers you a standardized way to send Comodo your public key and some information about your company or organization. Generating a CSR for a Wildcard SSL certificate is extremely similar to generating a CSR for any other SSL certificate, with one key difference: the asterisk.

Before you start

Wildcard SSL Certificate
You’ll need to purchase a wildcard certificate before you start the install process. Comodo wildcard certificates start at less than $80/year. Save a bunch when you buy direct!
Buy A Wildcard Certificate – 48% Off

Filling out your CSR

cPanel wildcard ssl certificate csr

The CSR form in cPanel includes instructions for generating a wildcard certificate CSR.

Here’s the information you’ll need to fill out in your Certificate Signing Request for your Wildcard SSL CSR:

  • Common Name (CN) – Your fully-qualified domain name goes here.
  • Organization Name (O) – The legal name of your company or organization
  • Organization Unit (OU) – What department or division of your company are you?
  • Locality (L) – The city your company or organization resides in.
  • State or Province (ST) – The state or province your company or organization resides in.
  • Country (C) – The country your company or organization resides in.
  • Email Address – Self-explanatory
  • Root Length – Typically 2048-bit
  • Signature Algorithm – SHA-2

What’s this about an asterisk?

Here’s the difference between a Wildcard CSR and a regular CSR, with the Wildcard you place an asterisk at the sub-domain level you’re attempting to encrypt (typically first-level) in your FQDN. For instance, if ComodoSSLstore.com was going to install a Wildcard, our input in the Fully-Qualified Domain Name field would be:

*.ComodoSSLstore.com

As long as you use the asterisk, your Wildcard will work correctly and encrypt your domain, plus all of its accompanying sub-domains. No limit. If you have one-million sub-domains, your Wildcard will cover all of them. And if you ever add another one during the Wildcard’s lifespan, just re-issue it and it’ll cover the new one, too.

Generate a Wildcard SSL CSR on your Server

Each server software has a slightly different way for you to generate your certificate signing request (CSR). Here are instructions for generating a wildcard certificate CSR for all of the most common platforms.

Microsoft IIS

cPanel

Plesk

Microsoft Exchange

Microsoft Office Communications

F5 Big IP

Web Host Manager

Amazon Web Services

Nginx

Media Temple

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How to Install a Wildcard SSL Certificate on HostGator

HostGator multi-domain ssl certificates

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What is a Wildcard SSL Certificate?

wildcard ssl for subdomains

Securing subdomains is easy when you

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How to Install a Wildcard SSL Certificate on IIS 7 or 8

Installing A Wildcard SSL Certificate on IIS 8

Step-by-step instructions for installing a wildcard SSL certificate on Microsoft IIS version 7 or 8

Wildcard certificates allow securing multiple subdomains with a single certificate. Microsoft IIS is one of the most popular server types our customers use, so we’ve compiled instructions on how to install a Wildcard SSL certificate on Microsoft IIS 7 / IIS 8 servers running .NET 2.0 or higher.

Before You Start

Wildcard SSL Certificate for IISBefore you start the install process, you’ll need to purchase your Wildcard SSL Certificate. Tip: You can typically save a significant amount by buying direct instead of through your web hosting company. Wildcard certificates from Comodo start at less than $90/year.
Save 48% on Wildcard Certificates

Phase 1 – Getting your Certificate Ready

You’re going to need to start by getting your SSL certificate ready to install. Comodo will email you your certificate once it’s issued. You’ll need the certificate to be in PKCS#7 format. You may need to use our certificate converter tool if it’s not.

Phase 2 – Install your Wildcard SSL Certificate on IIS 7 or 8

Installing the wildcard certificate on IIS

  • Go to Start > Administrative Tools > Internet Information Services (IIS) Manager
  • In the left menu, select the corresponding server name
  • In the Features Pane, under Security, select Server Certificates
  • In the Actions Pane, choose Complete Certificate Request
  • Provide the location of the certificate

Note: Make sure that the name you give your Wildcard SSL Certificate (aka the friendly name) includes an asterisk at the sub-domain level you’re attempting to encrypt (eg *.example.com). Otherwise, you will not be able to bind the certificate properly.

Phase 3 –

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