Hardening a Linux system with Bastille
Linux.com has a good introductory article on using Bastille to help harden a Linux box. Which reminds me that I intended to do a step by step walk through of several different server hardening configurations on the NOVALUG wiki for Bastille. Which of course will be done someday, and will be a thorough step by […]
An excellent posthumis analysis of a compromised Linux server.
I ran across this article on Slashdot, that an admin wrote about investigating a compromised Ubuntu server. The article is well written making for a good read, and a fairly good job at investigating the compromised machine.
Of course this type of forensics is probably more the arena of law enforcement or other legal prosecution, as […]
Security Alerts! 08/22/2007
This alert is intended to help keep you up to date on some of the more important remote security vulnerabilities in Linux and common applications that run on Linux. Because of the open nature of the OS and applications this is a summary only, minor vulnerabilities and local vulnerabilities will not be listed.
Kernel and […]
Using DenyHosts as a defense against remote brute force cracking.
I did a brief writeup of the Python deamon “DenyHosts” on the NOVALUG wiki. It will be one of many tools and techniques I think I’ll write up in the wiki. While the wiki article serves as part of an overall step by step guide to running your own Ubuntu server, DenyHosts is […]
Welcome to the Linux Security Special Interest Group
This Special Interest Group’s sole purpose is to help improve the level of security consciousness throughout the whole Linux using community of Northern Virginia. To this extent we will have presentations and workshops on security specifically in how it relates to Linux.