Security Lessons Protecting your site and your clientsAug 31, 2008
Learn more about protecting your website with NoScript, ModSecurity, and Site Security Policy.more »
KEY EXPERIENCE The sys admin's daily grind: Single-packet authenticationAug 26, 2008
Conventional, woodpecker-style port knocking is open to sniffing and brute force knocking attacks. Sending an encrypted packet with an access request to the server is safer and more modern. Learn more about Firewall Knock Operator, a.k.a. Fwknop.more »
Grendel Scan version 1.0, a Web application testing tools, was introduced at the Defcon Security Conference in Las Vegas.more »
Mozilla has just released version 3.0.1 of the Firefox browser; the first maintenance update removes a couple of vulnerabilities and fixes a some minor bugs.more »
Charly's Column The Sysadmin’s Daily Grind: FuzzyOCRJul 11, 2008
The latest trend is to hide spam in images. The admin’s response: an OCR tool that extracts the texts and feeds them to the spam filter.more »
Tarpits Using tarpits to trap spammersJul 11, 2008
A tarpit slows down spam by reducing the effectiveness of the spammer’s weapons.more »
Spam Test Comparing antispam appliances and servicesJul 11, 2008
Spam filters can help smooth the waves in your inbox, as long as they are reliable and don’t have too many side effects. We’ll show you what we found when we tested five antispam appliances and two service providers.more »
Apache Suexec Secure scripts with Apache SuexecJun 20, 2008
For many admins, the security of a web application is more important than its performance. If you have a web server with multiple users, the Suexec module can help you avoid problems associated with globally writable directories.more »
Mozilla’s script blocker add-on could be putting malware sites on the whitelist.
The Internet community officially banishes the notoriously unsafe Secure Sockets Layer protocol.
Popular desktop environment continues the Gnome 2 legacy – with new support for the Gnome 3 toolkit.
The Obama White House has issued a memorandum telling all US government agencies they must use HTTPS for all websites and web communication.
New program will dial up security for the Firefox browser.
Red Hat's community distro embraces the cloud.
New partnership will bring more and better CS training to US schools
Criminals offer online help over Tor network
Sophisticated malware is still present on Joomla and WordPress sites around the world.
Future versions of Ubuntu's code service will support the popular Git version control system used with Linux and other open source projects.