mod_jk vs OpenSSL

OpenSSL is the more common of the two in our index: it runs on 330 websites against 11 for mod_jk, and 9 sites use both. Counts come from real scans, not vendor claims.

mod_jk: 11
OpenSSL: 330

mod_jk

Mod_jk is an Apache module used to connect the Tomcat servlet container with web servers such as Apache, iPlanet, Sun ONE (formerly Netscape) and even IIS using the Apache JServ Protocol. A web server waits for client HTTP requests.

Indexed sites: 11
Share of Web server extensions: 3%

Well-known sites using it

All 11 sites

OpenSSL

OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.

Indexed sites: 330
Share of Web server extensions: 79%

Well-known sites using it

All 330 sites

Used together

9 sites run both mod_jk and OpenSSL. That is 82% of the sites using mod_jk, the smaller of the two.

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Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.