How do I check my SSL certificate?

To check an SSL certificate on any website, all you need to do is follow two simple steps.

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First, check if the URL of the website begins with HTTPS, where S indicates it has an SSL certificate.
Second, click on the padlock icon on the address bar to check all the detailed information related to the certificate.

How do I check if a SSL certificate is valid Linux?

You can check the expiration of the certificate (for example to help troubleshoot certificate issues). Open a UNIX command line window. Enter a query openssl s_client -servername -connect 2>/dev/null | openssl x509 -noout -dates .

How do you check if a certificate is expired?

How to Check a Certificate’s Expiration Date (Chrome)

Click the padlock. Start by clicking the padlock icon in the address bar for whatever website you’re on.
Click on Valid. In the pop-up box, click on “Valid” under the “Certificate” prompt.
Check the Expiration Data.

How do I check Certs?

To view certificates for the current user

Select Run from the Start menu, and then enter 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.

How do I verify openssl certificate?

Answer

Check a certificate. Check a certificate and return information about it (signing authority, expiration date, etc.
Check a key. Check the SSL key and verify the consistency: openssl rsa -in server.key -check.
Check a CSR.
Verify a certificate and key matches.

How do I check my intermediate certificate?

One of the simplest ways to find the intermediate certificate and export it is through an Internet Browser such as Google Chrome. Browse to the website that you need to get an intermediate certificate for and press F12. Browse to the security tab inside the developer tools. Click View certificate.

How check SSL is active or not?

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

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

How do I read Openssl certificates?

Checking Using OpenSSL

Check a Certificate Signing Request (CSR) openssl req -text -noout -verify -in CSR.csr.
Check a private key openssl rsa -in privateKey.key -check.
Check a certificate openssl x509 -in certificate.crt -text -noout.
Check a PKCS#12 file (.pfx or .p12) openssl pkcs12 -info -in keyStore.p12.

Where is my SSL certificate Linux?

Certificate files in Linux are generally in the /etc/pki/tls/certs folder or possibly within an application-specific folder such as /etc/httpd for Apache (depending on the whim of the person or vendor who configured/built the application).

How do I check openssl status in Linux?

version(1) – Linux man page

Synopsis. openssl version [-a] [-v] [-b] [-o] [-f] [-p] Description.
Options. -a. all information, this is the same as setting all the other flags. -v. the current OpenSSL version. -b. the date the current version of OpenSSL was built.
History. The -d option was added in OpenSSL 0.9. Referenced By.

How do I view certificates in Linux?

You can perform this with the following command: sudo update-ca-certificates . You will notice that the command reports it has installed certificates if required (up-to-date installations may already have the root certificate).

How do I read a certificate file in Linux?

Read the SSL Certificate information from a remote server You can use the same openssl for that. To connect to a remote host and retrieve the public key of the SSL certificate, use the following command. This will connect to the host ma.ttias.be on port 443 and show the certificate. It’s output looks like this.

How to report on expiring SSL certificates using Bourne shell script?

ssl-cert-check is a Bourne shell script that can be used to report on expiring SSL certificates. The script was designed to be run from cron and can e-mail warnings or log alerts through nagios. Print the expiration times for one or more certificates listed in ssldomains: Check all certificates with file pattern “/etc/haproxy/ssl/*.pem”

How do I check if an SSL certificate has expired?

SSL Certification Expiration Checker: ssl-cert-check is a Bourne shell script that can be used to report on expiring SSL certificates. The script was designed to be run from cron and can e-mail warnings or log alerts through nagios.

How do I get the validity of an OpenSSL certificate?

So what’s needed is that you pipe it into OpenSSL’s x509 application to decode the certificate: This will give you the full decoded certificate on stdout, including its validity dates. Show activity on this post.