Security Solutions

Denyhosts - A howto — by opsec — last modified Jun 05, 2008 02:34 PM

This howto will show you how to install and configure Denyhosts on your server or desktop system to help further prevent unwanted attacks or access to your systems.

iptables Howto — by kanarip — last modified Jan 30, 2008 02:44 AM

A Howto on using iptables to configure your firewall

Restrict user account to scp, sftp, rsync only with Fedora — by opsec — last modified Nov 02, 2009 01:14 PM

This howto will show you how to restrict any account to cvs, scp, sftp and rsync only.

Securing SSH — by zcat — last modified Feb 05, 2008 02:42 PM

This howto outlines a few extra steps that can be taken to further secure a SSH server, chiefly from the constant onslaught of automated brute-force password attacks.

SELinux Common Commands & Troubleshooting — by opsec — last modified Nov 02, 2009 01:19 PM

Common SELinux troubleshooting techniques, commands and syntax.

SELinux Module Building — by daMaestro — last modified Jan 30, 2008 03:46 AM

Building modules for SELinux to allow specific actions. This also covers the basic concept(s) of testing if SELinux is the culprit. This howto is specific to Fedora Core 5.

Sudo - An advanced howto — by opsec — last modified Jun 10, 2008 03:05 PM

This howto is an advanced outline the sudoers file and how it can be manipulated to your needs.