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SELinux Introduction In CentOS 7

SELinux Introduction

What is SELinux? Security-Enhanced Linux (SELinux) was developed to provide access control for linux. It goes beyond file permissions and ACLs to create a more secure environment by limiting access.  It is based  on subjects, objects, and actions. A subject is the running command or application(example proftpd), the object is anything

ModSecurity Installation With Apache On CentOS

Install ModSecurity With Apache On CentOS

ModSecurity is an open source monitoring system for web applications. It has powerful rule sets that allow you to protect applications from attacks.  View the project for more details. It provides a ton of features such as: More than 16,000 specific rules, broken out into the following attack categories: * SQL injection * Cross-site

Linux Access Control Lists

Linux Access Control Lists

ACLs (Access control lists) are a security feature which can expand or restrict permissions on files and directories in a linux file system. Redhat/CentOS 7 use xfs by default and are automatically configured with ACLs however if you are using 6 or below or a different filesystem format you will need