Charly's Column The Sysadmin’s Daily Grind: Nmap 4Apr 30, 2006
Many tools keep growing with each new version, but Nmap 4.00 has lost weight thanks to the Diet-Nmap project. The latest incarnation of Nmap is not only quicker, it is also more frugal with memory.more »
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 »
Upcoming switch to HTML5-only ads is further evidence the Flash is entering its final days.
US government invests $19 billion on enhancing security and replacing ancient computer systems.
But you can still be a non-voting “individual supporter” if you pay the money
Several current systems could fall victim to the attack
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Proposals for presentations at the CeBIT Open Source Forum will be accepted through 24 January 2016.
Adobe looks for a new start; renames its embattled Flash tool.