Boris Tulman

Boris is our resident Networking guru. He works as a Network Architect designing and implementing network technologies in ISP, e-commerce and social networking site environments. Boris holds M.S. in Software Engineering, B.S. in Computer Science and a handful of industry certifications. He also teaches Networking courses at LearnComputer.

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DoS Attack
Denial of Service Attacks
October 13, 2011, No Comments

The goal of a DoS attack is to compromise the availability of your production network and host resources. Common methodo ...

Redundant Data Center
Enterprise Data Center Redundancy: Best Practices
April 5, 2011, No Comments

Many companies will be perfectly content with restoring from backup when things go awry or dealing with a few hours of d ...

CyanogenMod
Installing CyanogenMod On Android
March 26, 2011, No Comments

Since the Android operating system is open-source, the source can be modified and tweaked on demand. In the case of Cyan ...

Best Free iPhone Network Apps
Best Free iPhone Networking Apps: Top 10
March 7, 2011, No Comments

Sometimes, a sysadmin on the go just doesn't have time to load up their laptop (or worse, is caught without one!). All t ...

Android Kernel Undervolting
Android Kernel Undervolting: Benefits and Pitfalls
March 1, 2011, No Comments

Kernel undervolting is the practice of modding an Android kernel to run at a lower voltage than the stock kernel. The id ...

Data Center
Building a New Data Center
February 21, 2011, No Comments

I was part of the new data center build project at my work, which had started in the Summer of 2010. Last week, we had s ...

IPv4 vs IPv6
IPv6 vs. IPv4: To Switch or Not to Switch?
February 17, 2011, No Comments

The tech world has recently been rocked by the last allocation of a /28 block. In layman's terms: IPv4 address space has ...

Cisco ASA 5540
Configuring ASA for L2TP-IPSec VPN Connection
February 15, 2011, No Comments

Some businesses don't want to use the Cisco VPN client. Instead, they want native access to their VPN from Windows/Mac c ...

BGP prefix during reconvergence
BGP Route Analysis by BGPlay
February 13, 2011, No Comments

We migrated our production site last week from our data center in Sunnyvale, CA to Atlanta, GA and BGPlay open source to ...

Spiceworks
Use Spiceworks to Control Your Network
February 10, 2011, No Comments

If you manage a network and haven't tried out Spiceworks yet, you may want to do so. Spiceworks is a free tool for mana ...