SSL Resources

  • Making Your Website Secure is Simple with Our SSL Resources

    Whether you're a newbie in the SSL business or a professional with years of experience, you need the right SSL resources by your side to go through the SSL process without any troubles. From choosing the right SSL certificate to installing it on your server - our SSL Resources and tools can help you in every way.

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    best chrome code signing comodo comodo ca comodo rsa certificate authority comodo rsa certificate authority root comodo secure cost csr ev hostgator how to hsts https iis iis 7 iis 8 installation intermediate multi-domain multiple certificates multiple ip addresses multiple servers multiple subdomains nginx non-www not secure positive ssl price pros and cons rapid ssl research root security self signed site seal ssl subdomains survey web security what is code signing wildcard wordpress www

    • Latest SSL Resources

    How To Change WordPress From HTTP To HTTPS

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    With thousands of transactions being done online,

    How to Use a Comodo Email Certificate to Secure Your Email

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    Comodo secure email certificates use encryption to sign and secure your email data

    Though it’s likely not at the top of your list of the IT security measures you need to implement, a Comodo email certificate is nevertheless vital to your organization’s security, health, success,

    How an Email Certificate Works and Why It’s Necessary for Security

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    An overview of how an email encryption certificate provides secure email communication

    When you send an email through conventional email platforms such as Outlook, Gmail, or Yahoo, the information could be visible to people who know how to look. Emails are bounced around through a series

    What is a SAN Certificate? Information About Multi-Domain SSL

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    What You Need to Know About Comodo Multi Domain SSL Certificates

    Some companies choose to purchase multiple domain names to ensure that no one can compete or impersonate their business online. This is a great idea in many ways — but with this great

    Changing SSL Certificate Provider – How Does It Work?

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    There are various instances in which you may want to change SSL certificate or change SSL certificate providers.

    How Much Does an SSL Certificate Cost?

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    Choosing the correct SSL (Secure Socket Layer) certificate is crucial for all website owners — whether you own a blog or an eCommerce platform. 

    Compare Comodo vs GoDaddy SSL Certificates

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    Get a side-by-side comparison of these two brands of DV SSL certificates

    Looking for a quick and easy way to be compliant with various web browser security requirements? Look no further than SSL digital security certificates. SSL certificates, which stands for “secure

    Comodo Code Signing vs GoDaddy Code Signing Certificates

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    Get a side-by-side comparison of these two brands of code signing certificates

    If you are like most customers and find yourself here because you seek to purchase a code signing certificate and want to do your research first, we bid you welcome. At Comodo SSL Store,

    How to Generate a CSR on Node.js

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    Node.js is a free open-source server environment that runs Javascript on the server. It works on various operating systems such as Windows, Linux, Unix, OS X, etc. and is commonly used for developing server-side web applications.

    How to Get SSL Certificate for Website

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    Do you want to get SSL certificate for website? Are you wondering “how to get SSL certificate for website?”

    Well, you’ve come to the right place.

    Purchasing an SSL certificate is fairly simple if you know where to look. The entire process can be summed up in a few simple steps.

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

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    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.

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

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    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.

    Comodo Email Certificate Renewal Steps

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    Step-by-step instructions for renewing your email signing certificate

    Renewing your Email Signing Certificate is just as simple as renewing any other Comodo digital certificate, especially when you do it with ComodoSSLstore.com. When your email certificate is set to expire, we will notify you at regular intervals leading up to the deadline.

    All you have to do is follow the Comodo email certificate renewal prompts and we’ll have you checked out and ready to go in no time.

    How To Start Your Comodo Email

    Comodo Positive SSL vs. Instant SSL Comparison

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    What’s the difference between Positive SSL and Instant SSL?

    Let’s talk about Positive SSL and Instant SSL certificates for a second. At first glance, a lot of Comodo’s SSL offerings look like they overlap. And that’s true to an extent. Every Comodo SSL certificate has a specific use-case in mind. Part of our job is to help you understand the difference. A lot of Web Hosts offer customers both the Positive SSL and Instant SSL certificates.

    So let’s compare them to help you figure out what’s right for you website.

    Comodo Positive SSL vs. Let’s Encrypt

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    Comodo vs Let’s Encrypt…a side-by-side comparison of two the internet’s most popular SSL certificates

    Comodo Positive SSL certificates and Let’s Encrypt certificates are two of the most popular SSL certificates being deployed on the internet today. But which one of these two certificates is best for you and your website? Is free really better than paid? Is it better to have a certificate that expires in two years or just three months? Let’s compare Comodo SSL vs. Let’s Encrypt SSL and find out.

    How To Fix NET::ERR_CERT_AUTHORITY_INVALID Error On Google Chrome

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    ERR_CERT_AUTHORITY_INVALID

    There is a problem’s with the Certificate Authority that issued the SSL certificate

    If you’re here, it’s likely you arrived at a website using Google Chrome and received an error about a Certificate Authority being invalid. This is an issue that needs to be fixed by the website owner or manager. It’s a potentially serious issue that shouldn’t be ignored or bypassed.

    How To Fix NET::ERR_CERTIFICATE_TRANSPARENCY_REQUIRED Error In Google Chrome

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    ERR_CERTIFICATE_TRANSPARENCY_REQUIRED

    A transparency required error means the website’s SSL certificate was not properly logged when it was issued

    Certificate Transparency is now a requirement for all trusted Certificate Authorities. What that means is that whenever an SSL certificate is issued, the CA must add it to a Certificate Transparency log (usually several). These logs act as an industry safeguard against mis-issuance.

    How To Fix NET:: ERR_CERT_WEAK_SIGNATURE_ALGORITHM Error In Google Chrome

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    ERR_CERT_WEAK_SIGNATURE_ALGORITHM

    A weak signature algorithm error is triggered by an SSL issue on the server and can only be fixed by the website owner or manager

    If you’re here it’s probably because you’ve received a NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM error while using Google Chrome to visit a website. Unfortunately, this “your connection is not private” error is not something that a user can fix, the problem is the website’s SSL certificate.

    How To Fix NET::ERR_CERT_REVOKED Error in Google Chrome

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    Privacy error ERR_CERT_REVOKED

    ERR_CERT_REVOKED is a serious server-side error, and should not be ignored or bypassed

    How To Fix NET::ERR_CERT_DATE_INVALID Error On Google Chrome

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    ERR_CERT_DATE_INVALID check dates

    There are several potential fixes for sites encountering an ERR_CERT_DATE_INVALID error in Chrome

    The NET::ERR_CERT_DATE_INVALID error in the Google Chrome browser is a form of the “Your Connection is not private” error. If you’re seeing this error, it means that there’s a difference between your computer’s time and the validity of the website’s SSL certificate:

    How to redirect HTTP to HTTPS in WordPress

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    WordPress Admin Change HTTP To HTTPS

    Easy to follow instructions for migrating WordPress sites to HTTPS

    Let’s talk about how to redirect HTTP to HTTPS on your WordPress site. After all, July 2018 is the deadline for websites to install SSL and start being served via HTTPS, lest site owners want their users to receive a browser warning about continuing to use your site.

    Code Signing Certificates: Like An SSL For Executable Files?

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    Kind of, but not really. Let’s talk about the similarities and differences between code signing and SSL certificates.

    Code Signing Certificates share some similarities with SSL certificates, but share many more differences. While both use Public Key Encryption to help secure things, the similarities more or less end there. Code Signing is for programs – scripts and executables – SSL is for websites. But let’s look at the similarities and differences a little more so you can keep your digital certificates straight.

    What are the similarities

    Code Signing Certificates Price & Feature Comparison

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    Code Signing Certificate Comparison - Microsoft SmartScreen

    Comodo vs. DigiCert & EV vs Standard Price Comparison: What Code Signing Certificate is the best value?

    If you’re comparing prices for code signing certificates, you may have noticed that prices vary significantly by brand and by type.

    What’s the difference between the brands and the types of code signing certificates?

    Comodo CA Bundle / Certificate Chain

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    comodo ca bundle certificate chain

    Building the correct Comodo certificate chain is easy

    Let’s talk about certificate chaining. The way trust works with relation to SSL is that the browsers are pretty much hard-coded to trust a handful of root certificates. The trusted roots come pre-installed in browsers’ trust stores. A trust store is a carefully curated collection of Roots that all of the trusted Certificate Authorities issue from. In order for an end user SSL certificate to be trusted, it has to chain back to one of those trusted roots. If it doesn’t the browser will issue a warning about the certificate in question.

    How To Check If A Code Signing Certificate Has Been Applied Correctly

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    Firefox Digital Signature Code Signing Verification

    You can verify that a program has been code signed by running a single command

    Having a Code Signing certificate from a trusted certificate authority is practically a requirement nowadays. Most modern browsers won’t let a user download an unsigned piece of software without clicking through a warning about it originating from an unknown source. Nobody wants that, so as software developers it’s important to sign and timestamp our executables to avoid the warnings. Code signing also offers users assurance about your identity and that the file hasn’t been tampered with since you created it. In this article, we’ll cover how to check a code signing certificate has been applied and time stamped in two different ways.

    How to fix “Comodo RSA Certification Authority Not Trusted” error

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    A simple fix for an uncommon error

    If you’re getting an error message on your browser that says, “Comodo RSA Certification Authority Not Trusted,” it means that whatever browser you’re using doesn’t have the proper Comodo root certificate in its trust store. This is not a common problem, but it does occasionally happen. There’s a simple fix, too.

    Why does the Comodo RSA Certification Authority Not Trusted error occur?

    Every browser uses what is called a root store or a trust store as the basis for authenticating SSL certificates. This Trust Store contains roots from all of the Certificate Authorities that the browser trusts to issue SSL/TLS certificates. Google, Mozilla, Apple– they all have their own trust store programs that continuously audit CAs to ensure compliance and protect the whole ecosystem.

    How To Fix err_ssl_protocol_error On A WordPress Site

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    wordpress err ssl protocol error

    Some common solutions to fixing err_ssl_protocol_error on WordPress

    When it comes to SSL-related problems the err_ssl_protocol_error is probably the king. From the user side there are plenty of different things that could be causing the ssl connection error message. Everything from the system time on your computer to your caching.

    What is an smime.p7s file attachment and how do I open it?

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    smime digital signature valid

    There’s no need to open the s/mime.p7s attachment, it’s just a digital signature

    Trying to open an smime.p7s email attachment that looks like this?
    smime p7s file

    Email and Document Signing Certificates are a fantastic product that haven’t managed to become ubiquitous yet owing to the fact that they are still unsupported by many mail clients. That lack of universal support has led to one of the most common questions people have about their email: what is an smime.p7s file? And how do I open it?

    What’s The Cheapest Code Signing Certificate?

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    Cheapest code signing certificates

    Comodo Code Signing certificates are the cheapest available– we guarantee it.

    ComodoSSLstore.com sells Comodo digital certificates for the cheapest you’ll find them anywhere on the internet, that includes Comodo Code Signing Certificates.

    Can I Use An SSL Certificate For Code Signing?

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    code signing extended key usage

    SSL/TLS and Code Signing are both X.509 certificates but cannot be used interchangeably

    SSL/TLS Certificates and Code Signing certificates are both types of digital certificates that make use of public key encryption, and Comodo offers both– but they do very different things. So no, you cannot use an SSL Certificate to sign scripts and executables and you cannot secure your website’s connections with a Code Signing certificate. You also can’t sign emails and documents with either, but let’s not add Personal Authentication to this discussion.

    Comodo Encryption For Emails, Documents, & Websites

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    Comodo CA is the world leader in encryption solutions.

    Comodo CA offers a range of encryption options for all use cases. Encryption has never been more important than it is right now. The world has never been more focused on its privacy and good data security is a big part of that.

    Code Signing Certificate vs SSL Certificate: What’s The Difference?

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    SSL and HTTPS enables the Secure Address Bar

    What each certificate type does and who should be using them

    Code Signing Certificates and SSL Certificates are both digital certificates that use public key encryption, but that’s about where the similarities end. The underlying technical difference between a code signing certificate and a ssl certificate is small, but they’re security solutions for very different purposes.

    Let’s look at the difference between Comodo Code Signing Certificates and Comodo SSL Certificates.

    Is there a free Multi-Domain SSL certificate?

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    Unfortunately, there is no free multi-domain SSL certificate, but there is a low-cost option

    Now that a basic single site domain validation SSL certificate can be had for free, one of the most common questions we get is whether there’s a free Multi-Domain certificate. There is not currently a free Multi-Domain SSL available. (Sorry to be the bearer of bad news.)

    How To Add HTTPS Security To WordPress

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    WordPress HTTPS

    With Google pushing all websites to switch to HTTPS, many website owners are making the jump to add HTTPS to WordPress. Here's how to make the switch to HTTPS, step-by-step.

    How to Set Up the Free Website Malware Scanner in Comodo cWatch Web

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    cwatch malware scanner setup

    Comodo's cWatch Web includes a free scanner that regularly checks your website for vulnerabilities and malware. It can be configured to email you alerts if malware is detected.

    How to Avoid Code Signing Certificate Expired Issues

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    How To Avoid Code Signing Certificate Expired Issues Timestamping

    Code signing certificates expire, your digital signature doesn’t have to

    A Code Signing certificate, like an SSL certificate, is only good for a set period of time. Afterwards it expires and can no longer be used. But that creates a potential problem: what happens to all the software you signed before the certificate expired? Are all of those digital signatures expired now too? Not if you timestamped them. Timestamping is a mechanism that ensures your digital signature remains trusted long after your Code Signing certificate has expired.

    Can I create my own self-signed code signing certificate?

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    Self-Signed Code Certificate

    Self-signed code signing certificates must be used for testing only, here’s why…

    While you technically can self-sign a Code Signing certificate, a self-signed code signing certificate won’t work for its intended purpose.

    Code Signing is extremely important, and it’s misuse could potentially be catastrophic, so there are some good reasons why you can’t create a self-signed code signing certificate.

    What is Code Signing?

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    Unknown Publisher Install Warning - Self-Signed Code Signing Certificate

    Code signing ensures a software publisher’s identity and assures the software’s integrity

    How do you know whether or not you can trust a piece of software you’re trying to download off the internet? How do you know the software was really created by the company you think, and that no malware has been inserted into the executable since? Code Signing!

    Do I need an SSL certificate for WordPress?

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    wordpress ssl

    Do you need an SSL certificate for your WordPress site? Google says "Yes"! Starting in July of 2018, HTTPS will become the de facto standard protocol for the internet. That's because Google, whose Chrome browser accounts for three out of every five internet users around the world, plans to start marking any website still served via HTTP as “Not Secure.”

    51% Of Users Say They Would Leave A Website Marked “Not Secure” Immediately

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    Not Secure Google Chrome - User Survey

    Beginning with version 68 being released in July 2018. Google Chrome will start marking all HTTP webpages as Not Secure, like this:

    Google Chrome Not Secure

    This change will be live in the Google Chrome release scheduled for July 24th.

    Google announced this change in February, so webmasters have known for awhile this was coming – what we haven’t known is how users will react to this change. To get some insight into that question, we ran a Google Consumer Survey of 350 US adults, asking them:

    How To Use A Wildcard SSL Certificate

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    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.

    How Do Wildcard SSL Certificates Work?

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    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.

    How To Install A Wildcard SSL Certificate On Nginx

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    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.

    What is HSTS?

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    HSTS Preload List Submission

    HTTP Strict Transport Security is a must-have addition to your SSL certificate

    HSTS or HTTP Strict Transport Security is a website security policy sent via HTTP header. It forces a user’s web browser to only make secure connections with a given website. This is important because it eliminates several potential attacks such as cookie hijacking and protocol downgrade attacks.

    How to Install a Wildcard SSL Certificate on Multiple Servers

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    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.

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

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    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

    Can you have multiple SSL certificates for one domain?

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    You can install multiple SSL certificates on a domain, but first a word of caution

    A lot of people want to know whether you can install multiple SSL certificates on a single domain. The answer is yes. And there are plenty of websites that do. But before you try to install multiple SSL certificates on one domain there are some things you should know first.

    Pros and Cons of Wildcard SSL Certificates

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    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.

    What’s the Best Wildcard SSL Certificate?

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    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.

    Where can I buy a Wildcard EV SSL Certificate?

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    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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