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Thursday, January 29, 2009
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Week of Geek

Friday, January 23, 2009
Blocking dictionary attacks against SSH
If you've ever looked at /etc/log/secure on your Internet-connected Linux box, you've probably been shocked at the number of logon attempts (hopefully failed attempts) from IP addresses you've never heard of. Of course, it's just some bad guy attempting a dictionary attack using common usernames and random passwords. One of the things you can do that's helpful is to use DenyHosts. It's a daemon that will create entries in /etc/hosts.deny after a pre-determined number of failed logon attempts. It's open source and available at www.denyhosts.net.
Wednesday, January 21, 2009
Windows 7 Beta
I'm not sure what got into me. I'm not usually interested in beta software for the sake of beta software. Maybe it's just the incredible amount of hype surrounding it, but I decided to install the beta of Windows 7 on my desktop system. (My laptop is my main computer...my desktop system is for testing, but it's usually some version of Linux that I'm playing with or maybe an application.) Anyway, I went ahead and installed Windows 7 on it. It's nothing special...3.40GHz P4 with 2GB of RAM and a 160GB hard drive. Cool eye candy, but that's expected on any modern O.S. What surprised me was how quickly pages load in I.E. 8. Admittedly, I just finished the installation, so there hasn't been time for any browser bloat to creep in, but still, it's noticeably faster. I'll add more comments as I run it for a while.
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