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How To Check SSL Certificate [SSL Validation]

How To Check SSL Certificates [SSL Validation]

If you need to know how to check the SSL certificate on any website, modern browsers make it easy to help Internet users to do so and avoid the mistake of sending sensitive data across an unsecure connection. For most browsers, look to see if a site URL begins with “https,” which indicates it has an SSL certificate. Then click on the padlock icon in the address bar to view the certificate information.

Digital certificates are electronic credentials that are used to certify the identities of individuals, computers, and other entities on a network. Private and public networks are being used with increasing frequency to communicate sensitive data and complete critical transactions. This has created a need for greater confidence in the identity of the person, computer, or service on the other end of the communication. Digital certificates and public key encryption identify machines and provide an enhanced level of authentication and privacy to digital communications.

  • How Can I Tell If a Site Has SSL?
  • How Do I View an SSL Certificate in Chrome and Firefox?
  • How Do I Find My SSL Certificate?
    • Certificate Stores
    • Certificate Manager Tool
  • How Do I Check If My SSL Certificate Is Valid?
  • Set SSL Certificate in Linux
  • Set SSL Certificate in Windows
  • How to Renew SSL Certificate
    • How to Create a New Self-signed Certificate
    • How to Renew Certificates from CAs
  • How Do I Remove Expired Digital Certificates?
  • Do SSL Certificates Expire?
  • How Do SSL Certificates Work?
  • What Are the Types of SSL Certificates?
    • 1. Domain Validated Certificate (DV)
    • 2. Organization Validated Certificate (OV)
    • 3. Extended Validation Certificate (EV)
  • What Is the Difference Between SSL and TLS?
  • How Do I Disable SSL 2.0, SSL 3.0 and TLS 1.0?
    • For SSL 2.0
    • For SSL 3.0
    • For TLS 1.0
  • How Do I Enable TLS?
    • Enabling TLS 1.3 in Chrome
    • Enabling TLS 1.3 in Firefox
    • Enabling TLS 1.3 in Safari
  • How Do I Enable TLS 1.3 on Windows 10?
    • How to enable TLS 1.2 on Windows 10
  • How Do I Find TLS Version in Windows?
  • How Is TLS Used?
  • SSL Certificate Automation Benefits

How Can I Tell if a Site Has SSL?

If the URL begins with “https” instead of “http,” then the site is secured using an SSL certificate. A padlock icon displayed in a web browser also indicates that a site has a secure connection with an SSL certificate.

SSL protocol ensures that data on that site is secured through SSL/TLS encryption and verification. It’s important to make sure that any website where sensitive data may be transferred uses SSL. Sites that don’t are vulnerable to attack by hackers or identity thieves, or may be fraudulent themselves.


How Do I View an SSL Certificate in Chrome and Firefox?

Chrome has made it simple for any site visitor to get certificate information with just a few clicks:

  1. Click the padlock icon in the address bar for the website
  2. Click on Certificate (Valid) in the pop-up
  3. Check the Valid from dates to validate the SSL certificate is current

The displayed information includes the intended purposes of the certificate, who it was issued to, who it was issued by, and the valid dates. In the case of Extended Validation (EV) Certificates, you can see some identifying information about the organization operating the site. For non-EV Certificates, like Domain Validated and Organization Validated, you will only see which Certificate Authority (CA) issued the certificate, the “Verified by:” section at the bottom of the pop-up. Click the "More Information" link to view more details.



EV Certificate in Firefox



Non EV certificate in Firefox

This brings you to the security details of the page, where you’ll find more information about the website identity (for EV Certificates, the company name will be listed as the owner) and the protocols, ciphers and keys underlying the encryption.



If you want even more details about the certificate, just click “View Certificate”. On the “Details” tab, you’ll find the certificate hierarchy and can dig through the certificate fields.



How Do I Find My SSL Certificate?

Finding your SSL may be as simple as checking your dashboard or account with the Certificate Authority (CA) who issued the certificate. But if that is not an option, or your company has multiple certificates, there are two methods to locate the installed SSL certificates on a website you own.

There are two methods to locate the installed SSL certificates on a website owned by the reader of this post. Before we go into specifics, we must remember that in Windows Server environment, the installed certificates are stored in Certificate Stores, which are containers that hold one or more certificates. These containers are

  • Personal, which holds certificates associated with private keys to which the user has access.
  • Trusted Root Certification Authorities, which includes all of the certificates in the Third-Party Root Certification Authorities store, plus root certificates from customer organizations and Microsoft
  • Intermediate Certification Authorities, which includes certificates issued to subordinate CAs.

In order to examine the stores on your local device to find an appropriate certificate you should follow the procedure below.

  1. First of all, you will have to use the Microsoft Management Console (MMC). To do that, open the Command Prompt, type mmc and press Enter.
  2. Click the File menu and then select Add/Remove Snap-in.
  1. From the Available snap-ins list, choose Certificates, then select Add.
  1. In the next dialog box, select Computer account and click Next.
  1. Select Local computer and click Finish.
  1. Now you are back at the “Add or Remove Snap-ins” window, just click OK.
  1. To view your certificates in the MMC snap-in, select a certificates store on the left pane. The available certificates are displayed on the middle pane.
  1. If you double click on a certificate, the Certificate window appears which displays the various attributes of the selected certificate.
Certificate Manager Tool

Another method to view the installed certificates is to launch the Windows Certificate Manager Tool.

To view certificates for the local device, open the command console and then type certlm.msc. The Certificate Manager tool for the local device appears. To view your certificates, under Certificates - Local Computer in the left pane, expand the directory for the type of certificate you want to view.

To view certificates for the current user, open the command console, and then type certmgr.msc. The Certificate Manager tool for the current user appears. To view your certificates, under Certificates - Current User in the left pane, expand the directory for the type of certificate you want to view.



Apart from checking your own certificates, it is equally important to be able to determine if a site you are visiting uses SSL certificates. We will use as an example Venafi’s site and Firefox browser.



The first sign you should look for is the “https” in the URL of the site you are visiting. The “s” declares that this site is using an SSL Certificate. Then if you are using Firefox, clicking the padlock in the address bar brings up a preliminary dropdown that indicates a secure connection when properly configured SSL is in place. Click the arrow to the right of the dropdown to view more information about the certificate.




How do I check if my SSL certificate is valid?

All digital certificates have a finite lifespan and are no longer recognized as valid upon expiration. Certificates may have varying periods of validity and are often set to expire anywhere between one and three years based on company policy and/or cost considerations. Minimally, certificates need to be replaced at the end of their life to avoid service disruption and decreased security. However, there may be a number of scenarios where a certificate needs to be replaced earlier (e.g., Heartbleed bug, SHA-1 end-of-life migration, company mergers, change in company policy).

There are various tools available to check if your SSL certificate is valid. But with the right know-how, you can do it yourself as well. Once you have located the SSL certificates housed on your web server, there are two ways to check their validity.

The first option is to run the certlm.msc command, open the Certificates - Local Computer window and then go through the list of the certificates listed in the store to make sure only the legitimated ones are installed. It is a time-consuming job but doable.



The second option is to use the Windows Sysinternals utility called sigcheck that makes the Root Certificates checkup a very easy process. Download or update the tool from Microsoft and run it with the following switches: sigcheck -tv. The utility downloads the trusted Microsoft root certificate list and outputs only valid certificates not rooted to a certificate on that list.



Checking SSL validation and managing certificates can be a very difficult and error-prone process. There are many critical tasks that come with enterprise SSL certificate management, and ignoring or mishandling any one of them can set the stage for a Web application exploit.


Set SSL Certificate in Linux

Follow these steps to install an SSL certificate on Linux (Apache) servers :

  1. Upload the certificate and important key files using – S/FTP.
  2. Login to Server. It is important to log in via SSH., which will help the user to become the root user.
  3. Give the Root Password.
  4. Move the certificate file to /etc/httpd/conf/ssl.crt..
  5. Move the key file also to /etc/httpd/conf/ssl.crt..
    NOTE: It is important to ensure the security of the files that have been moved. Keep the files secure by restricting permission. Using ‘chmod 0400’. will securely restrict permission to the key.
  6. Go to etc/httpd/conf.d/ssl.conf.. Here the user will find Virtual Host Configuration. setup for the domain.
  7. Edit Virtual Host Configuration..
  8. Restart Apache.

Then make sure to test the SSL certificate as well. Using different browsers, visit your site with the secure https URL to verify the SSL certificate is working correctly.


Set SSL Certificate in Windows

Follow these steps to install an SSL certificate on Windows Server 2016:

  1. On the server where you created the CSR, save the SSL certificate .cer file (e.g. your_domain_com.cer)
  2. In the Windows start menu, type Internet Information Services (IIS) Manager and open it.
  3. Locate and click the server name in the Connections menu tree (left pane).
  4. On the server name Home page (center pane), in the IIS section, double-click Server Certificates.
  5. On the Server Certificates page (center pane), in the Actions menu (right pane), click Complete Certificate Request…
  6. In the Complete Certificate Request wizard, on the Specify Certificate Authority Response page, do the following and then click OK:
  7. File name containing the certificate authority’s response: Click the … box and select the .cer file
  8. Friendly name: Type a friendly name for the certificate. The friendly name is not part of the certificate; instead, it is used to identify the certificate. Adding the CA and expiration date in your friendly name will help identify the certificate. This is especially helpful in distinguishing multiple certificates.
  9. Select a certificate store for the new certificate: In the drop-down list, select Web Hosting.

Now that you've successfully installed your SSL certificate, you need to assign the certificate to the appropriate site.

  1. In Internet Information Services (IIS) Manager, in the Connections menu tree (left pane), expand the name of the server on which the certificate was installed. Then expand Sites and select the site you want to use the SSL certificate to secure.
  2. On the website Home page, in the Actions menu (right pane), under Edit Site, click the Bindings… link.
  3. In the Site Bindings window, click Add.
  4. In the Add Site Bindings window, do the following and then click OK:
  5. Type: In the drop-down list, select https.
  6. IP address: In the drop-down list, select the IP address of the site or select All Unassigned.
  7. Port: Type port 443. The port over which traffic is secure by SSL is port 443.
  8. SSL certificate: In the drop-down list, select your new SSL certificate (e.g. yourdomain.com).

Your SSL certificate is now installed, and the website configured to accept secure connections. Make sure to test this SSL certificate as well. Using different browsers, visit your site with the secure https URL to verify the SSL certificate is working correctly.


How to Renew SSL Certificate

SSL renewal keeps your encryption and ciphers up to date, keeping your website and customers safer. Keep on top of renewals to avoid the mistake of letting your certificates expire.

There are two different procedures to follow which depend whether you are renewing self-signed certificates or certificates from CAs.

How to create new self-signed certificate

Although self-signed certificates should not be used on an e-commerce site or any site that transfers valuable personal information like credit cards, social security numbers, etc., it can be appropriate in certain situations, such as on an intranet, on an IIS development server or on personal sites with few visitors.

  1. Click on the Start menu, go to Administrative Tools, and click on Internet Information Services (IIS) Manager.
  1. Click on the name of the server in the Connections column on the left. Double-click on Server Certificates.
  1. In the Actions column on the right, click on Create Self-Signed Certificate…
  1. Enter any friendly name and then click OK.
  1. You have just created a self-signed certificate, valid for 1 year, listed under Server Certificates. The certificate common name is by default the server name. Now we just need to bind the self-signed certificate to the site.
  1. In order to bind this new certificate to a site, in the Connections column on the left, expand the sites folder and click on the website that you want to bind the certificate to. Click on Bindings... in the right column.
  1. On the Site Bindings window, click on the Add... button.
  1. Change the Type to https and then select the SSL certificate that you just installed. Click OK.
  1. You will now see the binding for port 443 listed. Click Close.
  1. The last step you would like to take is to add your self-signed certificate in the Trusted Root Certificate Authorities. To do that, open the Microsoft Management Console (MMC), and create a Certificate snap-in for the Local Computer account (see steps on the How to find my SSL Certificate section above).
  2. Expand the Certificates item on the left and expand the Personal folder. Click on the Certificates folder and right-click on the self-signed certificate that you just created and select Copy.
  1. Expand the Trusted Root Certification Authorities folder and click the Certificates folder underneath it. Right-click in the white area below the certificates and click Paste.

How to renew certificates from CAs

If you want to renew the root certificates from your CAs, you will have to perform the following steps:

  1. From the Microsoft Management Console (MMC) of your server, start the Certification Authority snap-in. Right click the name of the Certificate Authority and from the actions menu select All Tasks > Renew CA Certificate.
  1. The Install CA Certificate warning pops up which informs us that Active Directory Certificate Services have to be stopped. Select Yes.
  1. On the Renew CA Certificate window you can choose to use either the existing CA key pair or generate a new key pair for certificate renewal. If you want to generate a new public and private key pair for the CA's certificate, you will select Yes. The default option is to reuse the current public and private key pair. It is advisable to select No.
  1. When you choose to generate a new key pair, Windows creates a new one at the time it generates the new CA certificate, which ensures that the key used to sign the certificates issued by the CA matches the key that the CA uses to sign the Certificate Revocation Lists (CRLs). As such, renewing a CA's certificate with a new key pair also offers a workaround to deal with CRLs that have become too big. The new CRL holds only the serial numbers of the certificates that were revoked since the start date of the new CA certificate.
  2. Either way, the certificate is now renewed.

How do I remove expired digital certificates?

It is very important to highlight the importance of having valid certificates. Expired certificates can and will cause website outages and downtime which in turn will create serious reputational damage. It is therefore highly advisable to renew in a timely manner the certificates close to expiring. Do not wait until the very last moment to do so.

Once you have found all your certificates on your system, you might have discovered that some have already expired (hopefully not!). To remove expired certificates, either self-signed or provided by a CA, there are two methods.

First method: Right-click on the expired certificate and select Delete. You will have to repeat this step for all expired certificates. Once you are done, you will have to restart the server.

Second method: Right-click on the expired certificate and choose Properties. On the Properties window, select “Disable all purposes for this certificate” and then click Apply. Once you are done with all your expired certificates, you will have to restart the server.


Do SSL Certificates Expire?

SSL certificates are hardcoded with expiration dates, typically up to two years. This provides greater protection and ensures your encryption is up to date. You can renew your SSL certificate up to 90 days before the expiration date, which gives you time to get your new certificate issued and installed and avoid a lapse in encryption.

It’s important to monitor your certificates and stay on top of expirations that may sneak up on you, which can cause outages that will hurt your site. Unfortunately, many companies manage a variety of digital certificates manually with spreadsheets. This can lead to mistakes, such as lost, mismatched or mislabeled certificates. Certificates can inadvertently expire, meaning CAs no longer consider a website or web application secure and trusted. This can be a very expensive mistake if an affected Web application is public-facing. It may lead to reputational damage for the organization, or visitors' browsers may block access to the site entirely. It's been the cause of many high-profile system outages and is often one of the last causes administrators investigate, contributing to significantly more downtime.

Another problem occurs if the CA that issued the organization's certificate is compromised. The certificates are then revoked by other CAs, so when a client connects to the affected server, the certificate is no longer valid. Without proper SSL certificate management on an enterprise-wide level, it's impossible to tell how many (if any) of your certificates are no longer valid.

To avoid these certificate management errors and to correct any mistakes that previously occurred while managing certificates, the most effective solution is to use automation. Automated tools can search a network and record all discovered certificates. Such tools can usually assign certificates to business owners and can manage automated renewal of certificates. The software can also check that the certificate was deployed correctly to avoid mistakenly using an old certificate.


How Do SSL Certificates Work?

SSL certificates protect data by using a key pair: a public key and a private key. Together, these keys handle encryption and decryption. The process looks like this:

  • A browser or server attempts to connect to a website (web server) secured with SSL and initiates communication.
  • The web server sends the browser/server an encrypted public key/certificate.
  • The browser/server checks to see if it trusts the SSL certificate. If so, it sends an encrypted key back to the web server. If not, the communication is terminated.
  • The web server decrypts the key and sends back a digitally signed acknowledgement to start an SSL-encrypted session.
  • Encrypted data is shared between the browser/server and the web server, completing what is called an SSL/TLS handshake.

Your private key is the most important component of your SSL certificate. It gives you authority to authenticate your website and helps enable encryption. Therefore, it’s essential that you take care of your private key. If you lose it or it gets compromised, at the least you will have to re-issue and reinstall your SSL certificate. The worst case scenario: Someone could impersonate your website.


What Are the Types of SSL Certificates?

Fundamentally, all SSL certificates encrypt information. But there are three main types of certificates that offer different levels of trust:

1. Domain Validated Certificate (DV)

The cheapest type of certificate is a Domain Validated certificate. These certificates simply check domain registry. They don’t require identifying organization information and should never be used for commercial purposes. This type of certificate is for use where security is not a concern, such as protected internal systems.

2. Organization Validated Certificate (OV)

With these certificates, organizes are strictly authenticated against governmental registry databases. During the validation process, business personnel may be contacted and documents may be requested. OV certificates are the standard required on a commercial or public-facing sites. They obtain legitimate business information, and conform to the X.509 RFC standards.

3. Extended Validation Certificate (EV)

Extended Validation Certificates are used by most of the world’s leading organizations. The Guidelines for Extended Validation lay out the stringent criteria and strict vetting process required to obtain an EV certificate. It is the most trusted SSL certificate because it extremely difficult to impersonate or phish an EV-enabled site.

CAs can offer different products within those three primary types of certificates, like a Wildcard certificate. A Wildcard SSL certificate is a popular choice for organizations that manage multiple sites hosted across numerous subdomains. Wildcard certificates secure a domain and multiple first-level subdomains.

A common mistake is choosing the wrong SSL certificate for your site. Don’t go off price alone. Determine the security you need, look at how secure the CA is, then analyze the specs and features of each product to determine the best one for you.

Another mistake organizations may make is being ill-prepared for the validation process. For a Domain Validated certificate, that may be as simple as having the correct WHOIS registry information. For better certificates, you will need to furnish more information to satisfy the requirements. Make sure that info is all ready to go before starting the process to purchase an SSL certificate.


What Is the Difference Between SSL and TLS?

SSL (Secure Sockets Layer) and TLS (Transport Layer Security) are both cryptographic protocols that provide authentication and data encryption between servers, machines, and applications operating over a network (e.g. a client connecting to a web server). SSL is the predecessor to TLS, but many applications configure their implementation together as “SSL/TLS.” The term SSL is still commonly used, but at this time it usually refers to TLS protocol and certificates. (For more information, visit Understanding the Difference between SSL and TLS.)

Over the years, new versions of the protocols have been released to address vulnerabilities and support stronger, more secure cipher suites and algorithms. Both SSL 2.0 and 3.0 have been deprecated by the IETF (in 2011 and 2015, respectively). Over the years vulnerabilities have been and continue to be discovered in the deprecated SSL protocols, like POODLE.

TLS uses stronger encryption algorithms and has the ability to work on different ports. Additionally, TLS version 1.0 does not interoperate with SSL version 3.0. Most modern browsers will show a degraded user experience when they encounter a web server using the old protocols. For these reasons, you should disable SSL 2.0 and 3.0 in your server configuration, leaving only TLS protocols enabled.

Last but not least, it is important to note that certificates are not dependent on protocols. Hence, you don’t have to replace SSL certificates with TLS certificates and you can use the instructions above to locate either SSL or TLS certificates. Don’t forget that most vendors refer to them as SSL/TLS Certificates.


How Do I Disable SSL 2.0, SSL 3.0 and TLS 1.0?

In addition to disabling SSL 2.0 and SSL 3.0, it is also advisable to disable also TLS 1.0 , since all web browsers will not support TLS 1.0 and TLS 1.1 after the activation of TLS 3.0 protocol. The procedure for disabling these protocols is described below.

In order to disable these protocols, the procedure is identical. We will demonstrate how to disable SSL 3.0 and at the end we will provide the key combinations for disabling all three protocols.

  1. On the Windows server, open the Registry Editor (regedit.exe) and run it as administrator.
  2. In the Registry Editor window, go to:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols\



Note: If the key SSL 3.0 is already existing, skip steps 3 and 4.

  1. In the navigation tree, right-click on Protocols, and in the pop-up menu, click New > Key.
  1. Name the key, SSL 3.0.
  2. In the navigation tree, right-click on the new SSL 3.0 key that you just created, and in the pop-up menu, click New > Key. Name the key Client.
  3. Right-click on Client, and in the pop-up menu, click New > DWORD (32-bit) Value.
  1. Name the value DisabledByDefault. Double-click the DisabledByDefault DWORD value and in the Edit DWORD (32-bit) Value window, in the Value Data box change the value to 1 and then click OK.
  1. In the navigation tree, right-click on the SSL 3.0 key again, and in the pop-up menu, click New > Key. Name the key Server.
  2. Right-click on Server, and in the pop-up menu, click New > DWORD (32-bit) Value.
  3. Name the value Enabled. Double-click the Enabled DWORD value and in the Edit DWORD (32-bit) Value window, in the Value Data box leave the value at 0 and then, click OK.
  1. Restart your Windows server.

Below are the key combinations for disabling the SSL 2.0, SSL 3.0 and TLS 1.0 protocols on Windows 10 or Windows 2012 server.

For SSL 2.0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols\SSL 2.0\Client]
"DisabledByDefault"=dword:00000001
 

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols\SSL 2.0\Server]
"Enabled"=dword:00000000
 

For SSL 3.0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols\SSL 3.0\Client]
"DisabledByDefault"=dword:00000001
 

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols\SSL 3.0\Server]
"Enabled"=dword:00000000


For TLS 1.0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols\TLS 1.0\Client]
"DisabledByDefault"=dword:00000001
 

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel\Protocols\TLS 1.0\Server]
"Enabled"=dword:00000000


Note: Client portion contains subkey called "DisabledByDefault" whereas the Server portion contains subkey called "Enabled"


How Do I Enable TLS?

While the importance of TLS in the relaying of sensitive information online is understood and acknowledged, many companies use it to secure all communications between their servers and browser, whether or not the data is sensitive. Steps for enabling TLS on servers depend on your server, but here are detailed instructions on how to enable TLS 1.2 on Windows servers.

The latest versions of the major browsers now support TLS 1.3, and it’s relatively simple to enable it to enjoy increased privacy and performance.

Enabling TLS 1.3 in Chrome
  1. Launch Chrome.
  2. Type chrome://flags/#tls13-variant in the address bar and hit Enter.
  3. Find TLS 1.3.
  4. Ensure it’s not disabled. You can select Default or Enabled.
  5. Relaunch Chrome.
Enabling TLS 1.3 in Firefox
  1. Launch Firefox.
  2. Type about:config in the address bar and hit Enter.
  3. Start typing tls.version in a search.
  4. Ensure security.tls.version.max value is 4.
  5. If not, double-click on it to modify to 4.
Enabling TLS 1.3 in Safari
  1. Open the terminal and become a root: sudo su – root
  2. Type the following command: defaults write /Library/Preferences/com.apple.networkd tcp_connect_enable_tls13 1
  3. Hit Enter.
  4. Relaunch Safari.

How Do I Enable TLS 1.3 on Windows 10?

At the time of this writing, Microsoft is still working on supporting TLS 1.3 in any version of Windows. However, TLS 1.0, 1.1, and 1.2 can be used. It is wisest to use the most updated version possible.

How to enable TLS 1.2 on Windows 10

To create the necessary key for TLS 1.2, create the DisabledByDefault DWORD values and set it to 0 in the following Registry location:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client
DWORD name: DisabledByDefault
DWORD value: 0


If needed, here are more detailed instructions on how to enable TLS 1.2 on Windows servers.


How Do I Find TLS Version in Windows?

  1. In Windows 10, click the Windows Button in the lower left hand corner (standard configuration) of your Desktop.
  2. Type Internet Options and click Control Panel Internet Options item.
  3. Click on the Advanced tab and from there scroll down to the very bottom. See which TLS box is checked.
  4. If TLS 1.2 is checked you are already all set. If it is not, please check the box adjacent to Use TLS 1.2 and then Apply.

How Is TLS Used?

TLS is the successor encryption standard to SSL. In general terms, TLS uses stronger encryption algorithms than SSL and has the ability to work on different ports.

TLS uses a combination of symmetric and asymmetric cryptography. Symmetric cryptography encrypts and decrypts data with a private key known to both sender and recipient. Asymmetric cryptography uses key pairs: a public key and a private key. The public key of the recipient is used by the sender to encrypt the data; then it can only be decrypted with the private key of the recipient.

In 1999, TLS replaced the older SSL protocol as the preferred security mechanism. TLS does offer backward compatibility for older devices still using SSL. It is recommended that any websites with the outdated SSL protocol disable it and enable TLS only.


SSL Certificate Automation Benefits

SSL security is a critical component to an enterprise’s overall security strategy. With the increasing number of Internet-connected devices, online portals, and services that organizations manage, there are more opportunities for vulnerabilities and a growing number of threats that these systems face.

Organizations today require the use of SSL certificates to ensure secure data transmission for sites and internal networks. Hence, system administrators are responsible for numerous certificates that come with unique expiration dates. Therefore, keeping track of each and every certificate has become burdensome and unmanageable.

For administrators, it has become essential and mission critical to have a single, centralized platform to handle the installation, deployment, monitoring, and total management of all SSL Certificates within their network regardless of issuing Certificate Authority (CA). Organizations without proper certificate lifecycle management can face security and management gaps.

>In order for a certificate life cycle management to be effective all certificates need to be consolidated into a single management system such as the Venafi Trust Platform. With this solution in place, administrators may perform continuous monitoring of systems and certificates, and generate an audit for governance and compliance purposes. What is more, this approach reduces the overall cost and complexity of managing SSL certificates across a distributed environment.

If you feel dizzy after following above procedures and you want to reap the security benefits of certificate lifecycle management automation, contact Venafi for a tailor made solution.

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