Argus Keeping an eye on the network with ArgusJul 11, 2008
Argus helps you monitor the flow of data on your network, detect trends, discover worms and viruses, and analyze bandwidth usage.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 »
IMAP spam filter Intelligent filtering with Qmail, SpamAssassin, and MaildropJul 10, 2008
We’ll show you a custom solution for moving spam to a separate folder and adding new spam signatures to SpamAssassin.more »
Isof Looking for intruders with lsofJul 10, 2008
Track down and expose intruders with the versatile admin tool lsof.more »
Backdoors Techniques for building a hidden backdoorJul 09, 2008
Backdoors give attackers unrestricted access to a zombie system. If you plan to stop the bad guys from settling in, you’ll be interested in this analysis of the tools they might use for building a private entrance.more »
Charly's Column The sys admin’s daily grind: WebCalendarJun 20, 2008
Users log on to services such as SSH, ftp, SASL, POP3, IMAP, Apache htaccess, and many more using their names and passwords. These popular access mechanisms are a potential target for brute-force attacks. An attentive bouncer will keep dictionary attacks at bay.more »
Single-Packet Port Knocking Remote access security with single-packet port knockingMay 31, 2008
If you are looking for an extra layer of remote access security, try single-packet port knocking.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.