eMxyzptlk

Jail Servers

Hello,

Well In this article I will be discussing jails, what they are, what are the benefits of having them and most importantly how to create/manage and use them.

Introduction

Jails are like they are called, Jail to processes running inside them, a process running inside a jail cannot have any access to the host it is running inside, which is a huge security improvement, let’s have some examples… This website is running on FreeBSD 7.0-RELEASE it has Web/Mail/MySQL servers, imagine, somehow, my WEB server ( apache ) was compromised, the attacker will have access to the WEB pages, MySQL databases and Mails… So to improve security I set up the Jail system from scratch on a clean installation, now each server (WEB, MySQL, Mail) runs in it’s virtual server, if one is compromised at least it stays that way, there is no way an attacker could access another jail.

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11 September 2010 ·

• Tags
• FreeBSD
• Web Server
• Mail Server