Nagios Server Room

The Heartbleed bug is a security vulnerability in OpenSSL that has affected and continues to affect millions of people around the world. SSL and TLS encryption used to secure information across the web is being exploited by cyber-attackers to gain valuable user information such as passwords, billing information, and other valuable credentials.

Nagios Enterprises provides IT management solutions that monitor your network infrastructure, manage your network bandwidth, and can mitigate or even eliminate the effects of the Heartbleed bug as well as other security vulnerabilities.

Below is a security tester that can check your systems, websites and more. Simply type in your website, and check to see if you’ve been affected.

Host: Port: TLS Version:

For most servers that are found to be vulnerable administrators should be able to update the OpenSSL package and then restart the affected services such as httpd.

If your server is running RHEL or CentOS, the following commands will resolve the security vulnerability:

yum update openssl -y
service httpd restart

If you are already using Nagios Core or XI to monitor your infrastructure, this easy-to-use plugin can notify you if your system is susceptible to the Heartbleed vulnerability.

Download the check_heartbleed Plugin

If you haven’t experienced the benefits of monitoring with Nagios, be sure to check out our products page.