How to protect your Unix, Linux and Mac servers
How to protect your Unix, Linux and Mac servers Summary: The Unix/Linux Bash security hole can be deadly to your servers. Here's what you need to worry about, how to see if you can be attacked, and what to do if your shields are down. The only thing you have to fear with Shellshock, the Unix/Linux Bash security hole, is fear itself. Yes, Shellshock can serve as a highway for worms and malware to hit your Unix, Linux, and Mac servers, but you can defend against it. If you don't patch and defend yourself against Shellshock today, you may have lost control of your servers by tomorrow. However, Shellshock is not as bad as HeartBleed . Not yet, anyway. While it's true that the Bash shell is the default command interpreter on most Unix and Linux systems and all Macs — the majority of Web servers — for an attacker to get to your system, there has to be a way for him or her to actually get to the shell remotely. So, if you're running a PC without s