Managing Your Traffic in the Modern Era
Over the past 10 years, I’ve run or helped run all sizes of web sites and internet applications. I’ve seen everything from single-page brochure web sites to horizontally scaled interactive portals. And...
View ArticlePopularity, Are You Ready?
Instantly Becoming Popular, Are You Ready? As an amateur filmmaker, I strive to get my footage seen by as many people as possible. Shameless plug time – http://vimeo.com/14159857 . Most of the time, it...
View ArticleFrom Zero to Ten in 10
Our second Dallas data center went live 10 days ago and we are already pushing 10 GB of sustainable traffic out the door. I have spent some time in the DC with some of our ops guys, and the place is...
View ArticleEvery Cloud Has a Silver Lining
Last week, Netflix made headlines when the company announced that it was moving most of its operations to Amazon Web Services’ Elastic Compute Cloud. The news was greeted with enthusiasm and was seen...
View Articleiptables Tips and Tricks – Port Redirection
One of the most challenging and rewarding aspects of Linux administration is the iptables firewall. To the unenlightened, this can be a confusing black box that breaks your web server and blocks your...
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iptables Tips and Tricks – Rule Processing
As I mentioned in “iptables Tips and Tricks – Port Redirection,” iptables is probably a complete mystery to a lot of users, and one the biggest hurdles is understanding the method by which it filters...
View Articleiptables Tips and Tricks – Troubleshooting Rulesets
One of the most time consuming tasks with iptables is troubleshooting a problematic ruleset. That will not change no matter how much experience you have with it. However, with the right mindset, this...
View Articleiptables Tips and Tricks: APF (Advanced Policy Firewall) Configuration
Let’s talk about APF. APF — Advanced Policy Firewall — is a policy-based iptables firewall system that provides simple, powerful control over your day-to-day server security. It might seem intimidating...
View ArticleWeb Development – Installing mod_security with OWASP
You want to secure your web application, but you don’t know where to start. A number of open-source resources and modules exist, but that variety is more intimidating than it is liberating. If you’re...
View ArticleProduct Spotlight: Vyatta Network Gateway Appliance
In the wake of our recent Vyatta network gateway appliance product launch, I thought I’d address some of the most common questions customers have asked me about the new offering. With inquiries...
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