Snort has always been, and still is my favorite IDS (Intrusion Detection System) although I manage many UTM (Unified Threat Management) Firewalls with built in IPS/IDS (Intrusion Detection/Prevention) now. The commercial UTM Firewalls with IPS/IDS are easy to use and configure but they come with a high price tag and aren’t easy to customize. Even [...]
I locked myself in for 2 months to prepare for the CISSP (Certified Information System Security Professional) exam, and now I’m back triumphant to tell the story. Yes, I just received the Congratulations email from ISC2. I’m sharing my experience here with a hope that it might be helpful to anyone who’s preparing to take [...]
There’s been a lot of buzz around the OpenDNS lately. OpenDNS is a DNS provider that offers free service, with safer and faster browsing experience. This is how it works. 1. You register an account in OpenDNS site. 2. Login to your account. 3. Change your DNS Setting pointing to OpenDNS Servers. That’s it, you’re [...]
Allan Leinwand at GigaOM has an interesting post about Web 2.0 & Death of the Network Engineer. I was recently meeting with a Web 2.0 company discussing their network infrastructure plans. As I started asking questions about their racks of servers, their storage area network (SAN), their plans for routing, load-balancing and network security, the [...]
Today it’s impossible to think business and personal communications without email. Sending and receiving emails costs you and me nothing. It’s free! The zero cost (for users), the efficiency of delivery, and ease of use has made it so popular. But now email has become a victim of it’s own success. Just my quick test [...]
Few years ago I was looking for a virtual host management system, that’s when I came across Virtualmin. The features satisfied my requirements and of course you can’t beat the free, price wise . I’ve been using it in an environment with 100+ virtual hosts since then, and don’t have any regret on my choice. [...]
The earthquakes that shook Taiwan yesterday, killed 2 when a building collapsed, and injured at least 40. The quake also damaged undersea cables that disrupted Telecommunications and Internet connections around Asia. When I went to office this morning, after 3 days Christmas holiday, the phone was constantly ringing, with customers query about Internet and Email [...]
Security Absurdity: The Complete, Unquestionable, And Total Failure of Information Security. Noam Eppel writes how the Internet security is failing and what can be done about it. He compares the current state of security industry with a boiling frog: They say if you drop a frog in a pot of boiling water, it will, of [...]
Email has just turned 35 and it’s very difficult to imagine working without the emails today. Here are few interesting links to Email and it’s history. IT programmer Ray Tomlinson sent the first message in late 1971. The test messages were entirely forgettable and I have, therefore, forgotten them. Most likely the first message was [...]
This guide describes how to install and configure the OpenVPN Server in Linux and clients in Windows XP and Mac OSX. There are many advanced features in OpenVPN and if you’re interested in those advanced stuff, there’s a more detailed HowTo for you. This guide was created from my successful installation, so it works for [...]
