I've been writing a multipart series on building a transparent (bridging) firewall using Linux. Specifically, I'm using the distribution OpenWrt running on a Linksys WRT54GL broadband router, a ...

Last month, I kicked off a series of articles on transparent firewalls, beginning with a brief essay on why firewalls are still relevant in an age of Web applications and tunneled traffic. I also ...

Had a case wind up at my desk tonight whereI'm not entirely sure the *issue* is actually an issue. 2 hosts, 1 IP'd to be on 172.20.100.10 and 1 IP'd to 172.20.200.10 2 Switches, one 6500 series as the ...

Question, are there new revisions to the basic *BSD / Linux configurations and setups and is there an alternate preferred solution?<BR><BR>The context of using a transparent bridging firewall, in this ...

I had a great time meeting with a variety of customers at Cisco Live in Orlando back in June. We covered a lot of different topics around data center security. One specific item that came up more than ...

Recently, Cisco released their latest version of Adaptive Security Appliance (ASA) 5500 software release 8.2. This new version has some new features that I wanted to share with you so that you will ...