Netfilter L7 Blocking protocols at Layer 7 with the L7 patchMar 01, 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 XtendedMar 01, 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_evasiveJan 01, 2006
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 techniquesJan 01, 2006
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: SargDec 01, 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: TorNov 01, 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 ProxyNov 01, 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 »
Spammers go low-volume, and 90% of IE browsers are unpatched.
Adobe scrambles to release patches for vulnerable Flash Player.
Four-inch-long computer on a stick lets you boot a full Linux system from any HDMI display device.
New statute would require companies to report break-ins to consumers.
Weird data transfer technique avoids all standard security measures.
FIDO alliance declares the beginning of the end for old-style login authentication.
The Linux New Media Awards have honored the most significant products, projects, people, and organizations for open source/Linux every year since 2000.
Legendary Uber-distro splits over the systemd controversy.
New LTS version offers many refinements for the Cinnamon and Mate desktops and significant improvement under the hood.
One of CeBIT’s most successful forums returns in 2015.