I:/OU=GlobalSign Root CA - R2/O=GlobalSign/CN=GlobalSign

I:/C=US/O=Google Trust Services/CN=GTS CA 1O1ġ s:/C=US/O=Google Trust Services/CN=GTS CA 1O1 ~]# openssl s_client -connect :443 CONNECTED(00000003)ĭepth=2 OU = GlobalSign Root CA - R2, O = GlobalSign, CN = GlobalSignĭepth=1 C = US, O = Google Trust Services, CN = GTS CA 1O1ĭepth=0 C = US, ST = California, L = Mountain View, O = Google LLC, CN = *.Ġ s:/C=US/ST=California/L=Mountain View/O=Google LLC/CN=*. Here we are connecting Google on Port 443 and checking its SSL Certificate. To check certificate of another URL, you need to run below openssl commands. ~]# openssl version OpenSSL 1.0.2k-fips 2. If you want to check openssl commands version then you need to run openssl version command as shown below. Openssl tutorial: Generate and Install Certificate on Apache Server in 8 Easy Steps 1. Usually Port 443 will be used for secure channel communication which is also known as https Port. Hence it is a common practice to install a SSL Certificate before putting any content in Internet through web server. This will safeguard the communication between server and client. It will encrypt all the communication happening between server and client and hence will make difficult for anyone trying to steal or read the data. SSL Certificate is used secure traffic between client and Server. PKCS - Public-Key Cryptography Standards Why do we need SSL Certificate This tool will use OpenSSL Library to implement its tasks.In most of the Linux systems, this tool will be installed by default.

openssl is an opensource command line tool in linux primarliy used to generate ssl certificate with the help of private key and certificate signing request(CSR) file. In this article, I will take you through 25+ Popular Examples of Openssl Commands in Linux.

Centos 8 openssl