OpenSSL is a library available for multiple systems. It has been available since 1998. It is widely used in the area of cryptography. It is an open-source, commercial-grade application that enables its users to install the SSL certificate and complete the SSL tasks with ease. It helps with Certificate Signing Requests (CSR) and also provides the facility to convert the certificate into different SSL formats and perform verifications.

OpenSSL comes with a toolkit with a rich set of features for the purposes of Transport Layer Security (TLS) and Secure Sockets Layer (SSL). It is actively run and maintained by the OpenSSL Management Committee.

Mod_perl is an optional module for the Apache HTTP server. It embeds a Perl interpreter into the Apache server. In addition to allowing Apache modules to be written in the Perl programming language, it allows the Apache web server to be dynamically configured by Perl programs.

mod_perl is a well-known module used in the Apache HTTP server. It is known for its high-quality embedding and performance. It is considered optional and provides its user base with the convenience of having the Apache modules written in the Perl programming language. It provides ease of configuration along with full access to the Apache API.

Mod_perl is recognized for being programmer-friendly. It gives them more control through giving them scope to write handlers for the different stages in the Apache request cycle. It also gives them the freedom to change the internal tables and state mechanisms as per their convenience, among others.

Comparison OpenSSL vs mod perl