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Entries for April 2009

The BIG-IP WebAccelerator joins ranks with the Local Traffic Manager and the Global Traffic Manager as modules that received some major upgrades with version 10.  Not familiar with the WebAccelerator?  Affectionately called WA in these parts, the WebAccelerator is "an advanced Web application delivery solution that provides a series of intelligent technologies that overcome performance issues involving browsers, Web application platforms, and WAN latency."  That's straight from the glossy, I cou...
PowerShell is definitely gaining momentum in the windows scripting world but I still hear folks wanting to rely on Unix based tools to get their job done.  In this series of posts I’m going to look at converting some of the more popular Unix based tools to PowerShell. dirname The Unix “dirname” command will strip any non-directory suffix from a file name.  Given a NAME, dirname will print the name with it’s trailing “/” component removed.  If NAME contains no “/” characters, it will output “.”...
Note: F5 BIG-IP v10 launched earlier this month with 120+ features focused on the IT Agility and the Dynamic Data Center. This is a multi-part series on matching the needs of IT with the needs of business through IT Agility. F5 BIG-IP v10: Optimize Your Business IT is a necessary function of any business today, yet it’s often thought of as an independent entity within the organization. That separation is beginning to change as IT is recognized as the backbone of the enterprise and thus a cost ...
The importance of context in solving the problems created by tying web applications to deeply rooted local metaphors (IP addresses). The relationship between IP addresses and web applications to most end-users is much like the metaphorical language of the Tamarians in Star Trek: The Next Generation “Darmok”. It is incomprehensible without the proper foundational concepts; to anyone who lacks the proper context. In the case of IP addresses and web applications that foundation is technological r...
As you've no doubt seen by now, BIG-IP v10 has brought with it all kinds of powerful new features.  Among those are some very cool changes to iRules.  I've already talked about the new class command, the killer new after command and a brand new namespace for you to utilize in your iRuling endeavors. These are far from the only additions to iRules in v10, however. If you're familiar with our iRules Wiki, then you'll likely notice that the new commands are already showing up in the appropriate pl...
PowerShell is definitely gaining momentum in the windows scripting world but I still hear folks wanting to rely on Unix based tools to get their job done.  In this series of posts I’m going to look at converting some of the more popular Unix based tools to PowerShell. find The Unix “find” command searches through one or more directory trees of a file system, locating files based on some user specific criteria.  By default, find returns all files below the current working directory.  It also al...
Amongst the wave of new features that came out in Version 10 of TMOS is a nifty little feature called iSessions. This being the first release of iSessions, there is a lot of curiosity and not as much documentation as we’d like yet. So I’ll walk you through what is available, why you’d want to use it, and what benefits it offers in this blog post. As time goes on we will expand our coverage of iSessions to more fully discuss all of the options and challenges they present. The concept of iSessio...
The blurring of professional and personal lives in social media and the rush of organizations to “join in” may create just that. Almost every modern organization has behavioral policies known as “zero-tolerance” these days. These policies are designed to provide a healthy, productive environment in which anyone can work without fear of being insulted, offended, harassed, or otherwise made uncomfortable on a day to day basis. Basically, “zero-tolerance” policies are - in part - the codificati...
F5 announced today the release of the new F5 Management Pack for Microsoft System Center Operations Manager 2007 (sorry, wish I had an acronym or shorter name but a product this cool needs a big name like that :). In a nutshell, this new management pack extends the technology integration between Microsoft and F5 and will allow System Center users and F5 customers to: Monitor the status of F5 devices and the entire Application Delivery Networking infrastructure as one unit, including applicati...
articlesecurityus April 28, 2009 by Peter Silva
Pandemics have come and gone throughout history and the newest variant is quickly spreading it’s ills.  1918 Spanish flu, 1976 swine flu, 1997 Avian Flu, 2003 SARS, 2006 Avian bird flu and others, along with today's new Swine Flu could equate to the human versions of ‘Bloodhound.PDF.11,’ ‘W32.Regsubdat.A!inf,’ or ‘W32.Sality.AM.’  Well, not exactly and it’s somewhat weird comparing it the other way around, huh, but does help explain it.  The problem with this new variant is that you don’t need c...
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