Security
Stubby Post - Changes to CCNA Voice, CCVP, and CCSP
I don’t usually cover news from Cisco, but they’ve changed some certification stuff around again, and I thought I would bring it up. This time they’ve changed the CCNA Voice, CCVP, …
ASA 8.3.1 – Smart Tunnel and NAT Changes
I’ll start off with a warning. I’ve been running 8.3.1 on my home 5505 for a few hours now. Not only is this not really enough time for a thorough review, it’s also not the environment to test …
Convenience versus Security
I coworker sent over a link today that got me thinking about an old adage that I’ve been sharing for years. The link actually has nothing to do with the philosophy but did trigger a random …
Using SPF Records To Build Objects
My biggest complain about modern firewalls is their lack of the ability to create rules based on URLs or HTTP streams; you have to open access between IP addresses. Yes, I know there are other means …
Filtering Out the Noise on the Edge
There’s a lot of noise on the Internet. I’m not talking about certain news sites, either; I’m talking about stuff like port scans or attempts on weak services from all sorts of bad …
A Little Politics for the New Year
Stretch at Packetlife has a lively little write-up on the Australian government’s attempt to implement a nation-wide web filtering service. From Packetlife.net: Setting aside the myriad of …
Filtering Outbound Traffic
I’ve seen a thousand [tag]firewalls[/tag] in my time, and nearly all of them are poorly configured. The biggest culprit? No [tag]outbound[/tag] [tag]filtering[/tag]. I guess a lot of people …