Source: http://ars.userfriendly.org/cartoons/?id=20080726.
Month: July 2008
Happy Sysadmin Day!
Happy Sysadmin Day to all system administrators around!
Backdoor
Sh*t! I forgot my access badge!
Bud Has Mail
Often, a video is the best way to train people or promote some best practices. Watchguard released some nice video tutorials about security. Like the French children books “Martine” (You know “Martine goes to the market“, “Martine visit her friends“, etc), we follow the adventures of Bud, a dummy regular
G00gl3 SmS 0Wn3s U
Google SMS is already an available service.
OpenSSH 5.1 is Out
A few days ago, I wrote about the SSH Fingerprint ASCII Visualization. OpenSSH 5.1 is out and proposes this new feature right now! And of course, a lot of fixes and improvements. Check the full list here.
Funny SSID
Wireless security is a hot and very large topic. One of the first golden rule is to not broadcast your SSID. This is not sufficient enough to protect your network. Wi-Fi security will not be covered here (good articles are available online). The “Service Set IDentifier” or SSID helps, like
Check Your DNS Resolver
Since the announce of the major DNS vulnerability (multi-vendors), it’s patching time for all admins around the world. Did you already perform your homework? The people at OARC have crafted a special DNS name and server that you can query to check whether or not your resolver is using random
Groundwork and Wiki Integration
Next article regarding Groundwork, a very good monitoring and reporting environment. I already integrated WeatherMap with Groundwork (the community edition), or added a Security Dashboard. Now, let see how to integrate a Wiki into Groundwork. A Wiki is an online collaborative tool where everybody can update the pages content directly
Infocus: Blocking Traffic by Country on Production Networks
Interesting article about traffic filtering based on countries: http://www.securityfocus.com/infocus/1900/4. (It’s based on Microsoft ISA server but can be easily extended to other platforms)