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 »
Java Anonymous Proxy Anonymous surfing with Java Anonymous ProxyOct 31, 2005
Many Websites log IP addresses and access times to identify users. If you don’t want to wind up as data in someone’s market research, the Java Anonymous Proxy will keep your surfing secret.more »
New release marks the arrival of AMD’s unified driver strategy.
A new study by IDC charts big changes in the big hardware market.
Azure CTO says Redmond has already considered the unthinkable.
Lead developer quells rumors that the Debian version is slated for center stage.
MSBuild is now just another GitHub project as Redmond continues its path to the light.
Malware could pass data and commands between disconnected computers without leaving a trace on the network.
New rules emphasize collegiality in coding.
Upstart lands in the dust bin as a new era begins for Linux.
HP's annual Cyber Risk report offers a bleak look at the state of IT.
But what do the big numbers really mean?