By Sven Vermeulen
A accomplished consultant to stroll you thru SELinux entry controls
Overview
Use SELinux to extra keep an eye on community communications
Enhance your system's defense via SELinux entry controls
Set up SELinux roles, clients and their sensitivity levels
In Detail
NSA Security-Enhanced Linux (SELinux) is a suite of patches and extra utilities to the Linux kernel to include a powerful, versatile, vital entry keep an eye on structure into the foremost subsystems of the kernel. With its fine-grained but versatile technique, it's no ask yourself Linux distributions are firing up SELinux as a default defense measure.
SELinux procedure management covers nearly all of SELinux gains via a mixture of real-life situations, descriptions, and examples. every thing an administrator must extra track SELinux to fit their wishes are found in this book.
This ebook touches on numerous SELinux issues, guiding you thru the configuration of SELinux contexts, definitions, and the task of SELinux roles, and finally ends up with coverage improvements. All of SELinux's configuration handles, be they conditional guidelines, constraints, coverage varieties, or audit services, are lined during this booklet with real examples that directors may possibly come across.
By the tip, SELinux method management could have taught you the way to configure your Linux process to be safer, powered through a powerful vital entry control.
What you are going to examine from this book
Enable and disable positive factors selectively or maybe implement them to a granular level
Interpret SELinux logging to make security-conscious decisions
Assign new contexts and sensitivity labels to records and different resources
Work with mod_selinux to safe net applications
Use instruments like sudo, runcon, and newrole to modify roles and run privileged instructions in a secure environment
Use iptables to assign labels to community packets
Configure IPSec and NetLabel to move SELinux contexts over the wire
Build your individual SELinux regulations utilizing reference coverage interfaces
Approach
A step by step advisor to profit how one can arrange safety on Linux servers through taking SELinux rules into your personal hands.
Who this ebook is written for
Linux directors will benefit from the numerous SELinux positive factors that this publication covers and the procedure used to lead the admin into figuring out how SELinux works. The ebook assumes that you've got simple wisdom in Linux management, specially Linux permission and person administration
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Additional resources for SELinux System Administration
Example text
Readability The code should be readable and (more or less) easy to fix for those who understand its internals. Extensibility Adding features to the code should be fairly straightforward. If structural or logical modifications are needed, they should be easy to identify. Configurability It should be possible to select which features from the code should be part of the final application. This selection should be easy to carry out. The properties expected from reliable code are the following: Predictability Upon execution, the program’s behavior is supposed to be within a defined framework and should not become erratic.
Many embedded vendors have already standardized on development tools such as Eclipse—with each vendor adding slightly different “value-add” plug-ins—and use of such tools should serve to minimize the disruption to your engineering efforts if you ever have to switch to a different Eclipse-based tool. Design and Implementation Methodology Designing and implementing an embedded Linux system can be carried out in a defined manner. The process includes many tasks, some of which may be carried out in parallel, thereby reducing overall development time.
The vendors listed here are mentioned for discussion purposes only. Neither the authors nor the publisher have evaluated the services provided by any of these vendors for the purposes of this book, and therefore this list should not be interpreted as any form of endorsement. MontaVista Founded by Jim Ready, an embedded industry veteran, and named after a part of the town in which he lived at the time, MontaVista has positioned itself as a leader in the embedded Linux market through its products, services, and promotion of Linux in industrial applications.
