In the wake of the announcement of the Heartbleed vulnerability in the widely used OpenSSL software, the PHPClasses blog has posted a look at how it relates to PHP applications and how you can see if your application is effected.

Just a few days ago it was publicly announced a serious security bug called Heartbleed that affects secure sites based on the OpenSSL library. Read this article to learn more about this security problem, how to test if your Web server or SSH server is vulnerable, how it may affect your PHP sites, what you should do to fix the problem.

They start with a look at the bug, what it is and why it's such a big problem. It talks about what kinds of applications are vulnerable (hint: it has nothing to do with the PHP) and how you can test to see if your server is secure. The rest of the post talks about how to resolve the issue and how it relates to OpenSSL connections to other servers and SSH.