This might be an obvious thing to old Linux-heads out there, but it sure caught me off-guard, so there might be some use in spelling it out:

iptables-save and iptables-restore do not actually save/load the iptables rules to/from an external file. You are responsible for redirecting the output ...

The short answer is: I don’t know :-)

While I was watching National Geographic, I caught a glimpse of the BMW ...

Scenario: you are typing away in your blog editor on Ubuntu doing a (somewhat) Flash-heavy post. You make the mistake of hitting “Preview” and the blogging software hangs. How can you get your post out?

1. Find the PID of your blogging software
2. Coredump it (gcore [PID] - this will create a ...

AV-Comparatives is an independent, well-known and well respected testing organization in the AV/Anti-Malware field. They recently published two reports and one meta-report:

• Whole Product Dynamic Test
• Performance Test
• Summary Reports

Go read them if you have questions like “which product is the best for me?”. Thank you Andreas ...

Do you like Linux? Do you listen to podcasts? If you’ve answered yes to both of those questions, you should know what LUG Radio is (if not, do a quick checking - I promise you that it will be worth it!).

The bad news? They stopped it in 2008. The ...

Bruce Schneier is always fun, and together with Markus Ranum he is extra fun (sidenote: although it is title “face-off”, they agree more than they disagree):

• Schneier-Ranum face-off, part1: The future of information security
• Schneier-Ranum face-off, part 2: Social networking
• Schneier-Ranum face-off, part 3: Compliance and security
• Schneier-Ranum face-off, part ...

After missing the announcement for the second part of the Network Forensics Puzzle (yes, I’m subscribed the feed now!) I would like to regain your trust by bringing two other contests to your attention:

• Miracle on Thirty-Hack Street from ethicalhacker.net
• the sevenfour challenges (a “keygen-me” type of challenge ...

Yet an other example of real-life Chinese whispers in the security journalism:

A Hungarian online news site published an article titled “Hackers tried to steal user data from Amazon” (here is a somewhat usable automatic translation for the non-Hungarian speakers). I assume that the information went like this:

What happened ...

It had to happen, didn’t it? I’ve fired up Pidgin with the microblog-purple plugin, only to get an “invalid certificate” error for twitter. I’ve quickly became nervous, since a quick digging ...

These days most online shops offer the ability to use discount codes at checkout and get a price reduction anywhere from 5% to 50%. These codes are announced in various media (like podcast or blogs), but even if you don’t follow the particular program, it is rather easy to ...