Learn F5 Technologies, Get Answers & Share Community Solutions Join DevCentral


Entries for June 2009

The concept of an “intercloud” is floating around the tubes and starting to gather some attention. According to Greg Ness you can “Think of the intercloud as an elastic mesh of on demand processing power deployed across multiple data centers. The payoff is massive scale, efficiency and flexibility.” Basically, the intercloud is the natural evolution of global application delivery. The intercloud is about delivering applications (services) from one of many locations based on a variety of parame...
Somebody has to be first Recently Microsoft came up with a solution, supported natively in IE8, to protect against clickjacking attempts. Apparently some folks have decided that because Microsoft has a history of implementing proprietary solutions that this one, too, must be proprietary. These same folks must also have very little understanding of today’s web application architectures, as they declared the solution pretty much useless based on some pretty poor assumptions regarding the impleme...
I was chatting with my mother a couple weeks ago about cloud (she’s a used-to-be programmer turned project manager for a Fortune 500. Don’t look at me like that, I keep telling you it runs in the family) and one of the problems she lamented about was that folks don’t seem to understand how entrenched COBOL and the mainframe is in the organization. It’s so entrenched that given the choice between a client-server application and a COBOL application that did the same thing they chose the COBOL prog...
Whether you are aware of it or not, if you’re deploying applications in the cloud or building out your own “enterprise class” cloud, you’re going to be using load balancing. Horizontal scaling of applications is a fairly well understood process that involves (old skool) server virtualization of the network kind: making many servers (instances) look like one to the outside world. When you start adding instances to increase capacity for your application, load balancing necessarily gets involved as...
But browser support is only half the solution, don’t forget to implement the server-side, too. Clickjacking, unlike more well-known (and understood) web application vulnerabilities, has been given scant amount of attention despite its risks and its usage. Earlier this year, for example, it was used as an attack on Twitter, but never really discussed as being a clickjacking attack. Maybe because aside from rewriting applications to prevent CSRF (adding nonces and validation of the same to ever...
I am not a number, I am a free man! – "The Prisoner", sampled by Iron Maiden (edited because geeks are picky and well, they're right even though I always think of Maiden and Eddie first before getting to the actual origins) We, meaning everyone who deals with technology for a living, know that the move to IPv6 is inevitable. We simply must migrate in order to maintain the scalability of the Internet and its infrastructure. Well, we could continue to use technologies like NAT and SNAT in order t...
articleperformanceaccelerationus June 19, 2009 by Dawn Parzych
Earlier this week the Fast Web Race announced that the rules for the contest have changed slightly.  There are now two categories – one for sites looking for improvement and one for sites that want to brag about how they’ve achieved performance improvements.  The rules of category one haven’t changed so if you’re looking for some free advice on how to improve your web sites performance sign up now.  For those looking to brag about all the hard work that was devoted to improving their web appli...
Shrinking your Url’s is all the rage nowadays.  If you are on Twitter, then odds are you have used one.  Despite CodingHorror’s distaste for them in his recent blog post on Url Shorteners: Destroying the Web since 2002, they are a fact of life when we live in a world of 140 character status updates. So what’s a URL shrinking service anyway?  Well, to put it simply, you supply them with a URL, they then supply you with a shorter URL containing a lookup “key”.  When future requests are made to th...
The inclusion of a web server gives attackers clear line-of-sight to their targets There’s been a few articles on Opera Unite that have called into question the security of the decision to include a web server with the browser. Most of those discussions have centered around the ability to muck with files not intended by the host to be shared, but given current infection techniques there’s a far greater danger to Opera: mass injection attacks. As is often pointed out, current attack technique...
Back in 2001 (wow – seems like yesterday!), F5 introduced the first-ever, open/Web services API for network devices called iControl. With it, it sparked a major shift in the way companies could look at integrating network devices with applications. Leading software vendors figured it out. And, thousands of companies since then have used iControl to build custom monitoring apps, management solutions that more closely fit their internal processes, and even automate some cool stuff including enabli...
Page 1 of 5First   Previous   [1]  2  3  4  5  Next   Last