Troubleshooting Linux Firewalls – Book Review
By Ian Scott
I’ve been wanting to increase my knowledge of iptables and netfilter, the firewall system that comes with most Linux distributions. I knew some of the basics, but I decided it was time for me to increase my knowledge.
So I went looking for a book, I came across Troubleshooting Linux Firewalls, and at first, the title put me off. I wasn’t sure I was ready for something on troubleshooting. However, the description of the book intrigued me so I purchased it.
Read the rest of this entry »
Topics: Computer Security, Firewalls |
How To Use sftp And Automation
By Ian Scott
The other day, an associate of mine was explaining how they were automating the backing up of MySQL databases to a back up server via an automated FTP script. For those not familiar, in order to backup MySQL databases the tables MySQL need to be locked otherwise you risk corrupting the backup version. Read the rest of this entry »
Topics: Computer Security |
TCP Wrappers – It’s Not So Hard
By Ian Scott
Back in the “olden days,” before TCP Wrappers were ever thought of, the Eindhoven University of Technology in The Netherlands was experiencing some major instrusion problems on their systems. Somehow, a cracker was gaining access to their systems and for whatever reason, deleting the entire file system of the servers they managed to access. Read the rest of this entry »
Topics: Computer Security |
Counter Hack – Book Review
By Ian Scott
So you want to learn more about computer security but don’t know where to start? Even though Ed Skoudis’ book, Counter Hack – A Step-by Step Guide to Computer Attacks and Effective Defences was published in 2002, this book should be on top of your reading list. Read the rest of this entry »
Topics: Computer Security |
4 Minutes And Counting
By Ian Scott
An interesting report from TechWeb, regarding a test by AvanteGarde, a marketing-communications firm. Seems AvanteGarde wanted to test the security of “out of the box” operating systems to see how soon they would be compromised. Included in the test were machines “equipped with Microsoft Windows Small Business Server 2003, Microsoft Windows XP Service Pack 1 (SP1), Microsoft Windows XP SP1 with the free ZoneAlarm personal firewall, Microsoft Windows XP SP2, Macintosh OS X 10.3.5, and Linspire’s distribution of Linux.”
Read the rest of this entry »
Topics: Computer Security |
Excellent Security Tip With A Twist
By Ian Scott
I’m not sure who to credit this to exactly, but I discovered this tip on the Hsphere Control Panel message board. The person who posted the tip goes by the nickname of “WebDude.”
It was one of those, “Why didn’t I think of that?!?” moments when I read this tip, involving the command ‘chattr’ that comes with Linux.
Read the rest of this entry »
Topics: Computer Security |
« Previous Entries Next Entries »