SSL Resources

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

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

Comodo Email Certificate Renewal Steps

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,

Comodo Positive SSL vs. Instant SSL Comparison

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

Comodo Positive SSL vs. Let’s Encrypt

(5 votes, average: 4.00 out of 5, rated)

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

How To Fix NET::ERR_CERT_AUTHORITY_INVALID Error On Google Chrome

(4 votes, average: 3.50)

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

How To Fix NET::ERR_CERTIFICATE_TRANSPARENCY_REQUIRED Error In Google Chrome

(3 votes, average: 5.00)

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

How To Fix NET:: ERR_CERT_WEAK_SIGNATURE_ALGORITHM Error In Google Chrome

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

How To Fix NET::ERR_CERT_REVOKED Error in Google Chrome

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

Chances are you arrived at this page because you received a NET::ERR_CERT_REVOKED error in Google Chrome that looked a bit like this:

Unfortunately, this is not a client-side error, meaning that

How To Fix NET::ERR_CERT_DATE_INVALID Error On Google Chrome

(3 votes, average: 3.00 out of 5, rated)

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

How to redirect HTTP to HTTPS in WordPress

(2 votes, average: 4.00)

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

Code Signing Certificates: Like An SSL For Executable Files?

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

Code Signing Certificates Price & Feature Comparison

(2 votes, average: 4.00)

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

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

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

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

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

(2 votes, average: 3.00 out of 5, rated)

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

How To Fix err_ssl_protocol_error On A WordPress Site

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.

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

(2 votes, average: 4.50 out of 5, rated)

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?

Email and Document Signing Certificates are a fantastic product that haven’t managed to become ubiquitous yet owing to the fact

What’s The Cheapest Code Signing Certificate?

(1 votes, average: 4.00)

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.

We know that a lot of developers are

Can I Use An SSL Certificate For Code Signing?

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

Comodo Encryption For Emails, Documents, & Websites

(1 votes, average: 4.00)

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?

(2 votes, average: 3.00)

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

Is there a free Multi-Domain SSL certificate?

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

How To Add HTTPS Security To WordPress

(4 votes, average: 4.50 out of 5, rated)

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

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

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

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

(2 votes, average: 3.00 out of 5, rated)

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

What is Code Signing?

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

Do I need an SSL certificate for WordPress?

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

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

This change will be live in the Google Chrome release scheduled

How To Use A Wildcard SSL Certificate

A 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

How Do Wildcard SSL Certificates Work?

(2 votes, average: 4.50)

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

How To Install A Wildcard SSL Certificate On Nginx

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

What is HSTS?

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

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

A 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

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

Comodo allows its Wildcards to be used on unlimited servers

Many 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

Can you have multiple SSL certificates for one domain?

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

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

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

Where can I buy a Wildcard EV SSL Certificate?

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

Get A Wildcard SSL Certificate for Multiple Sub-Domains

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

Learn more about the world’s leader in security

Comodo is the world leader in cybersecurity and digital certificates. As the internet has evolved, so has Comodo. From its early days as a vendor of antivirus software, Comodo has emerged as one

About Comodo CA Limited, The #1 Issuer Of SSL Certificates In The World

More websites trust Comodo CA Limited than any other brand!

Comodo is in the business of creating trust online. After all, the internet will never reach its full potential if it doesn’t inspire the kind of trust that lets you interact and do business.

Comodo

Wildcard SSL Certificate Price Comparison

(2 votes, average: 5.00 out of 5, rated)

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

Comodo PositiveSSL vs RapidSSL

Comparing two of the most popular SSL certificates on the market: RapidSSL vs Positive SSL

Looking for a cheap DV SSL certificate for your website? Wondering what the difference between two of the most popular SSL certificates on the market? You’ve come to the right place. We’re

What We Learned About WordPress Security From Crawling 24,000 Websites

Half of websites use outdated WordPress versions; Only 1/4 of small websites use HTTPS

Concerned about protecting the security of your WordPress website? You should be! Thousands of websites are hacked every day, and because WordPress is used by about 30% of the web it’s a favorite

How to Install a Multi-Domain SSL Certificate on HostGator

Step-by-step instructions for HostGator Multi-Domain SSL Certificate Installation

HostGator is more than happy to sell you a Comodo Positive Multi-Domain SSL certificate to use on your HostGator website. They start at $80 per year and each additional domain costs you $25 per year.

With

How to Generate a CSR for a Wildcard SSL Certificate

(2 votes, average: 5.00 out of 5, rated)

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

Do I need a different SSL certificate for WWW and without?