Since I moved all of my WAN-facing stuff (mail, web, this blog, svn etc.) to a virtual server with Linode, and just have a desktop at home, it’s no longer practical to use Bacula for backups. Linode manages daily and weekly backups through their backup service, but they …

I just installed php-suhosin 0.9.29 from EPEL on a CentOS 5.6 box. I’m running a whole bunch of name-based vhosts in Apache, and have a bunch of web apps, so I opted to run suhosin in simulation mode (don’t actually block anything, but log …

I spent a good part of the weekend auditing the security of my infrastructure at home, since I haven’t given it much attention lately. One of my first steps was doing a port scan with nmap of my public IPs from a remote host, both to make sure there …

I’m running a Vyatta vyatta router at home - in my opinion it’s pretty near “enterprise grade”, and I’m running the Community/Core (read: no-cost and almost all Free) on commodity hardware with great performance. Granted, I’m still on the older version (5 as opposed to the …

I have a small web-based tool for allowing members of an organization to register their wireless MAC addresses, and then automatically adding them to the MAC ACL on Ubiquiti AirOSv2 APs. It’s a pretty quick hack, along with a simple and ugly web-based tool, but it gets the job …

We were seeing some strange behavior with Mac client machines on the network lately, specifically with DNS queries (I’d guess that a lot of it has to do with Bonjour), but the discussion touched on the DNS Changer trojan for Mac. I’d really never heard about it before …

Updated 2009-03-05, see bottom.

At work the other week, we decommissioned 24 old desktops - Dell GX280’s that were used in the student labs as print release stations. They didn’t have anything sensitive on them, just Windows XP, but with licensing and all we have to wipe Windows off …

Internet Security

So, this semester I’m taking a class on Internet Security. Our textbook is Management of Internet Security, 2nd Edition by Michael E. Whitman and Herbert J. Mattord. It seems pretty basic, and very much focused on the management side of things (as opposed to technical). The table …