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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  • Latest SSL Resources

    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

    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,

    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

    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

    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

    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

    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

    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

    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:

    Privacy error ERR_CERT_REVOKED

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

    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

    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

    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

    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

    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

    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

    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

    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.

    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

    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.

    We know that a lot of developers are

    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

    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

    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

    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

    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

    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

    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

    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

    How Do Wildcard SSL Certificates Work?

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    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

    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

    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

    How to Install a Wildcard SSL Certificate on Multiple Servers

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    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

    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

    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?

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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

    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

    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

    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?

    Get A Wildcard SSL Certificate for Multiple Sub-Domains

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    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

    What is Comodo RSA Certification authority?

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    Comodo RSA Certification Authority

    Learn more about the Comodo RSA Certification Authority root

    Comodo RSA Certification AuthorityComodo RSA Certification Authority refers to one of the Comodo CA root certificates. This is actually Comodo’s issuing root, meaning that other SSL certificates are signed by it and chained to

    What is Comodo?

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    Comodo is trusted by 700,000 customers

    Learn more about the world’s leader in security

    Comodo is trusted by 700,000 customersComodo 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

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    Comodo CA is the world leader in encryption solutions.

    More websites trust Comodo CA Limited than any other brand!

    Comodo CA - 100 million certificates issuedComodo 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

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    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

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    comodo positive ssl vs rapidssl

    Comodo Positive SSL vs Rapid SSL

    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

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    WordPress Security

    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

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    HostGator multi-domain ssl certificates

    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

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    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

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

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    ssl certificate for www and without

    Do I need a different SSL certificate for WWW and without versions of my website?

    Your Comodo SSL certificate will cover both WWW and non-WWW domains

    Many customers ask us whether their SSL certificate covers both the WWW and non-WWW variations of their domain. Yes,

    What is a Comodo Secure Seal?

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    Comodo Secure Site Seal

    The Comodo secure site seal boosts consumer confidence by showing your website has been vetted by a trusted source

    Comodo Secure Site Seal61% of internet users have cancelled a transaction because the website had no site seal.* That’s because few things communicate that a website is safe quite like a well-placed Comodo Secure site