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Certain pages on this site lead to a "reported attack site" warning for Firefox 3 users which is apparently a feature built into Firefox 3 and provided by Google.

In Windows they are used for a long time already, but most Linux-users probably don't even know that their system supports them too. Access Control Lists (ACLs) extend the regular permissions we all know with the possibility to give permissions for specific users/groups.

With a little example I want to show how to use ACLs in Linux.

NASL goreng

Well, I've been reading through an older security-book I have here and found a chapter about the Nessus Attack Scripting Language, short NASL.

I've been mentioned the POSIX-capabilities in my post about EasyLFS 0.5 and promised another post to clarify what they

Novell seems to have come to the conclusion that AppArmor might not be worth it's money. At least they have dissolved the project and, as it seems, fired the team that has been working on it.


Some of you might have heard about port-knocking already, and some of you might even already know what it is.

On Monday, September 3rd, 2007, I'll be on the Symantec Security Insights Live, held here in Hong Kong, in our beautiful convention c

After my previous two posts about SELinux and AppArmor, "Stupid advice and some of my own ideas" and Rusty AppArmor?, another post of the same topic.

Rusty AppArmor?

After yesterday's post about SELinux now part two of this (so far) three part series.

After I had read that shocking post about a company suggestion to disable SELinux I had another look through Joshua Brindle's Blog and found some more interesting stuff, this time about AppArmor.

I was afraid I would hear about that some day, but hoped I never would.
But of course the day came that I finally had to read about a company suggesting to turn of SELinux in order to fix a problem running their software.