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irules

iRules is a highly customized, Tcl-based scripting language allowing you complete programmatic access to application traffic in real time. If you’re looking to inspect, analyze, modify, route, re-direct, discard, or manipulate traffic in any way, chances are you can do it with an iRule. They even give you the ability to write business logic into your network layer.

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Articles

Lori MacVittie
Updated 1 week ago by Lori MacVittie

Seriously, let’s talk about this because architecture is a pretty important piece of the scalability puzzle.   Rate limiting is not a new concept. We used to call it “quality of service” to make it sound nicer, but the reality is that when...

Graham
Updated 2 weeks ago by Graham
5 out of 5 stars

Introduction After the SAML labs at Agility I got a lot of questions about how to automatically launch SAML resources and skip the webtop, and I promised I'd write it up for you. If you haven't been to Agility, check it out next year,...

Nir Zigler
Updated 2 weeks ago by Nir Zigler

An interesting topic was talked about in the recent Black Hat conference. It is a new attack called HEIST (HTTP Encrypted Information can be Stolen through TCP-windows) which demonstrates how to extract sensitive data from any authenticated...

Jason Rahm
Updated 1 month ago by Jason Rahm

On the side of the road in northern Missouri just north of Mark Twain’s stomping grounds, there is a slice of hillside removed just to the side of the highway. In Arkansas, there’s a nondescript field tucked away in a state park. Short of word of...

Joe Martin
Updated 1 month ago by Joe Martin

How to mitigate the HTTPoxy vulnerability using your F5 BIGIP. CVE-2016-5385, CVE-2016-5386, CVE-2016-5387, CVE-2016-5388, CVE-2016-1000109, CVE-2016-1000110

Jason Rahm
Updated 1 month ago by Jason Rahm

Leading into June’s Programmability Month, we announced a codeshare challenge contest, where DevCentral community members could contribute a solution (or several) that they’ve created to solve problems in their environments. We had a lot of great...

Peter Silva
Updated 1 month ago by Peter Silva
5 out of 5 stars

Yann Desmarest is the Innovation Center Manager at e-Xpert Solutions SA and one of DevCentral’s top contributors. e-Xpert Solutions SA is a F5 Gold Partner, Unity Partner Support and a Guardian Partner. Yann has been a BIG-IP administrator for 6...

Jason Rahm
Updated 1 month ago by Jason Rahm
5 out of 5 stars

It’s been a long time coming, but I’m pleased to announce a brand new editor for your iRules: F5 Programmability for Eclipse! This editor supports iRules & iRules LX in its initial release, but stay tuned for more features down the road. One...

Jason Rahm
Updated 1 month ago by Jason Rahm
5 out of 5 stars

We’ve expanded over the years to include systems, configuration, advanced modules, security, etc, but programmability has historically been the bread and butter of what we do. Given the success we had with February’s security month, this...

Jason Rahm
Updated 2 months ago by Jason Rahm
5 out of 5 stars

Years back, NBC had these public service announcements, or PSAs, on a range of subjects, delivered by their on-air talent. The series was branded “The More You Know.” One of their flagship comedies “The Office” then turned this into their...

Graham
Updated 2 weeks ago by Graham
5 out of 5 stars

Introduction After the SAML labs at Agility I got a lot of questions about how to automatically launch SAML resources and skip the webtop, and I promised I'd write it up for you. If you haven't been to Agility, check it out next year,...

Nir Zigler
Updated 2 weeks ago by Nir Zigler

An interesting topic was talked about in the recent Black Hat conference. It is a new attack called HEIST (HTTP Encrypted Information can be Stolen through TCP-windows) which demonstrates how to extract sensitive data from any authenticated...

Jason Rahm
Updated 1 month ago by Jason Rahm

On the side of the road in northern Missouri just north of Mark Twain’s stomping grounds, there is a slice of hillside removed just to the side of the highway. In Arkansas, there’s a nondescript field tucked away in a state park. Short of word of...

Joe Martin
Updated 1 month ago by Joe Martin

How to mitigate the HTTPoxy vulnerability using your F5 BIGIP. CVE-2016-5385, CVE-2016-5386, CVE-2016-5387, CVE-2016-5388, CVE-2016-1000109, CVE-2016-1000110

Jason Rahm
Updated 1 month ago by Jason Rahm

Leading into June’s Programmability Month, we announced a codeshare challenge contest, where DevCentral community members could contribute a solution (or several) that they’ve created to solve problems in their environments. We had a lot of great...

Peter Silva
Updated 1 month ago by Peter Silva
5 out of 5 stars

Yann Desmarest is the Innovation Center Manager at e-Xpert Solutions SA and one of DevCentral’s top contributors. e-Xpert Solutions SA is a F5 Gold Partner, Unity Partner Support and a Guardian Partner. Yann has been a BIG-IP administrator for 6...

Jason Rahm
Updated 1 month ago by Jason Rahm
5 out of 5 stars

It’s been a long time coming, but I’m pleased to announce a brand new editor for your iRules: F5 Programmability for Eclipse! This editor supports iRules & iRules LX in its initial release, but stay tuned for more features down the road. One...

Jason Rahm
Updated 1 month ago by Jason Rahm
5 out of 5 stars

We’ve expanded over the years to include systems, configuration, advanced modules, security, etc, but programmability has historically been the bread and butter of what we do. Given the success we had with February’s security month, this...

Jason Rahm
Updated 2 months ago by Jason Rahm
5 out of 5 stars

Years back, NBC had these public service announcements, or PSAs, on a range of subjects, delivered by their on-air talent. The series was branded “The More You Know.” One of their flagship comedies “The Office” then turned this into their...

Jason Rahm
Updated 2 months ago by Jason Rahm
5 out of 5 stars

In this Getting Started with iRules series, We’ll cover topics ranging from this first installment, which includes some programming basics and concepts, up through F5 terminology and concepts, iRules basics and usage, components, etc. This primer...

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