Introduction

Most within the messaging and collaboration industry are hyped up about the next wave of Microsoft collaboration and messaging products which are soon to be released. Among these products is Exchange 2013 RTM. This type of release typically precedes yet another wave of architecture upgrades across the corporate landscape. Some of these (beta testers) will be will undoubtedly upgrade to Exchange 2013.

Other corporations will start to feel the burn to upgrade as well. These will be organizations which realize that their Exchange 2003/2007 infrastructure is nearing a decade old existence and cannot meet the demands of their ever growing mobile workforce. Realizing they are behind the curve, they may feel hastened to upgrade as well, possibly just to Exchange 2010. Regardless the reason in choosing to upgrade their messaging infrastructure, there are critical design decisions which need to be made in how clients access this infrastructure both internally and externally. This article focuses solely on the external access aspect of the infrastructure.

Linux: Headless Ubuntu Torrent Home Server

2011-09-11 8 min read Linux Other System Administration Ubuntu Zachary Loeber

So it got to that time of the year where I feel the itch to upgrade my aging home server. I assessed the situation and realized that, for what it does, my current server does not need any kind of hardware upgrade. So I just decided to rebuild it with Ubuntu 11.04 64 bit and change up the server software a bit to be more accessible to my wife as well as to be a bit more modern (torrentflux and derivatives have been dead for a while now).

Exchange 2010: Network Communication Table

2011-07-30 1 min read Exchange Exchange 2010 Microsoft Networking Security System Administration Zachary Loeber

I figured I’d post the massive table of firewall rules I compiled for my Exchange 2010 firewall generation script. It has both the source and destination roles for many aspects of an Exchange environment. Where there are ???’s is where I’m simply not certain (mainly around encryption between certain roles). If anyone spots any mistakes or omissions please let me know and I’ll update the accordingly. Exchange 2010 Network Communication Table By Role

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