Bot_Attack An insidious spam botnet attacks CharlyJul 31, 2006
While going about his normal duties, Linux Magazine author Charly Kühnast was hit with a mean attack. Charly’s separate anti-spam server, which sits in front of his mail server, saved him from the mail storm.more »
How to Write a Rootkit Rootkits for the Linux kernel 2.6Jul 31, 2006
Today’s rootkits infiltrate a target system at kernel level, thus escaping unwanted attention from administrators. Read on for a practical look at how a kernel rootkit really works.more »
Charly's Column The Sysadmin’s Daily Grind: PolicydJun 30, 2006
The Postfix Policyd plugin fights spam using techniques such as greylisting, source detection, volume measurements, blacklisting, and HELO rotation detection.more »
Sendmail Strategies Fighting spam and viruses with SendmailJun 30, 2006
A structured approach to Sendmail helps to maximize your spam and virus protection.more »
Antsp2p Anonymous Filesharing with Antsp2pMay 31, 2006
Filesharing is a favorite leisure activity for many Internet users. But conventional filesharing tools have one major drawback – they aren’t anonymous. The Antsp2p project aims to change this.more »
Charly's Column The Sysadmin’s Daily Grind: Nmap 4Apr 30, 2006
Many tools keep growing with each new version, but Nmap 4.00 has lost weight thanks to the Diet-Nmap project. The latest incarnation of Nmap is not only quicker, it is also more frugal with memory.more »
3ROS attack tool lowers the technical bar so anyone can be an intruder.
Mozilla's latest browser offers powerful new privacy feature
If attackers are on your system, saving your passwords in a password vault is no protection.
Faulty hash algorithm persists, despite efforts by experts to raise awareness.
Powerful man-in-the-middle attack is now targeting online shopping.
Another high-profile coder says the kernel team needs a kinder, gentler culture.
Bug database has a bug of its own that could allow an intruder to create an unauthorized account.
Report focuses federal resources on achieving universal Internet access.
Leading browser makers say “no” to porous encryption algorithm