AppArmor Hardening systems with AppArmorApr 30, 2006
After penetrating a remote system, intruders might think they are home and dry, but AppArmor spoils the fun, locking the miscreants in a virtual cage.more »
Netfilter L7 Blocking protocols at Layer 7 with the L7 patchFeb 28, 2006
If you need a tool for filtering protocols that doesn’t depend on the port, try L7, an IPTables patch that operates through regular expressions.more »
Charly's Column The Sysadmin’s Daily Grind: Webalizer XtendedFeb 28, 2006
Webalizer is a tool for analyzing web server logfiles. A new patch lets admins see what isn’t there.more »
Charly's Column The Sysadmin’s Daily Grind: Mod_evasiveDec 31, 2005
The Apache web server can fight back against DoS attacks. You just need a little help from Mod_evasive.more »
Nmap Methods Understanding Nmap analysis techniquesDec 31, 2005
How does the popular Nmap scanner identify holes in network security? In this article, we examine some Nmap analysis techniques.more »
Charly's Column The Sysadmin’s Daily Grind: SargNov 30, 2005
A busy proxy server is something that no self-respecting admin should leave to its own devices. The Squid logfile analyzer, dubbed Sarg by its author, helps you keep your Squid servers on track.more »
Charly's Column The Sysadmin’s Daily Grind: TorOct 31, 2005
Some people don’t mind leaving traces of their IP address wherever they go, others prefer to use a tool like The Onion Router.more »
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
Report from the X-Force group says attackers are using TOR to hide their crimes
Future Firefox extensions will be compatible with Chrome.
Better read this if you bought your computer before 2011
Users should upgrade to the new version as soon as possible
Xen project announces a privilege escalation problem for Qemu host systems