The first step in securing servers is to ensure that they are physically as secure as possible and and then monitored for unauthorized access  Many times when setting up servers in a small office or co-location facility many people have their systems in a locking cabinet within a moderately secured physical building.  However a determined [...]

As with any user of OSSEC, analyzing and working with the data is the key to successfully managing your environment.  From a prior post you can see we are monitoring events as they occur which is good for catching serious issues as they occur; however, it is not usually the best way to document what [...]

Vyatta routers bring high-quality enterprise routing in an open-source package. Like many projects it was originally designed for small office/home configurations but has grown to enterprise solutions. The current documentation on filtering between zones does not tie everything together well enough to understand zone filtering. This post will walk through a complex filter configuration for a vyatta running as a border gateway and not a small office/home gateway.

Good security, not just compliance requirements, encourages IT & Security staff to spend time reviewing security events.  There are many tools available for many security components of your network; this article will focus on host security and host log monitoring using OSSEC and Zabbix.

Last year PCI DSS 1.2 was released changing the intent of the controls required for anti-virus software. In version 1.1 anti-virus software was only required for systems commonly affected by viruses and excluded UNIX based operating systems and mainframes. Version 1.2 now requires all operating system types commonly affected by malicious software be protected and [...]

Kerio MailServer includes log viewing directly within the administration console. This is a quick and easy way to troubleshoot problems, identify attempts to breach security, or monitor daily activity. Although these files contain only textual information, over time they can become quite large, and without any maintenance, they can degrade the performance of the server [...]