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Post of the Week: Port Lockdown

Welcome to Post of the Week, where we take a question of general interest from Q&A and hit the lightboard with our take on the issue. In this episode, I walk through the specifics of the self-IP port lockdown feature on BIG-IP. Thanks to... Read more
0 Reviews

Post of the Week: BIG-IP Policy Sync

In this Lightboard Post of the Week, I light up the answer to a question about BIG-IP APM Policy Sync. Posted Question on DevCentral: https://devcentral.f5.com/questions/apm-policy-sync-56330 Thanks to DevCentral user Murali (@MuraliGopalaRao) for... Read more
1 Review

What is HTTP Part VII - OneConnect

In the last article in this What is HTTP? series we finished covering the settings in the HTTP profile itself. This week, we begin the transition to technologies that support, enhance, optimize, secure, and (insert your descriptive qualifier... Read more
Average Rating: 4.9
5 Reviews

Lightboard Lessons: Mac Masquerade

In this episode of Lightboard Lessons,  Jason dives in to Mac Masquerade, which is a user-configured unique mac address to be shared by BIG-IPs for high availability purposes. Resources K3523: Choosing a unique mac address for Mac... Read more
1 Review

What is HTTP Part V - HTTP Profile Basic Settings

In the first four parts of this series on HTTP, we laid the foundation for understanding what’s to come. In this article, we’ll focus on the basic settings in the BIG-IP HTTP profile. Before we dive into the HTTP-specific settings, however, let’s... Read more
Average Rating: 4.7
4 Reviews

Lightboard Lessons: CPU Hyper-Threads and TMM

In this episode of Lightboard Lessons, Jason details how BIG-IP’s Traffic Management Microkernel (TMM) utilizes Intel’s Hyper-Threading Technology and the impacts depending on the version of TMOS. In versions before 11.5, each hyper-thread... Read more
Average Rating: 4.9
5 Reviews

TurboFlex, Application Delivery, and Tires: What's the Common Thread? (Tread?)

A brief history F5's involvement with ASICs and FPGAs and how TurboFlex makes optimizing for applications fast and simple. Read more
0 Reviews

Zero to F5-CTS LTM Certified!

It’s been nearly a year since the DevCentral team wrestled the 101 exam to the mat at Agility 2016. This last week, I finished the road to the F5 Certified Technology Specialist Local Traffic Manager (F5-CTS LTM) certification, with a passing... Read more
Average Rating: 4.8
6 Reviews

Lightboard Lessons: BIG-IP in the private cloud

In this episode, Jason transitions from last week’s public cloud overview to discuss private cloud options.  Resources BIG-IP deployments using Ansible in private and public clouds Flashback Friday: The Many Faces of Cloud F5 Private Cloud... Read more
1 Review

It's All About The 12s: B4450 vCMP Guest Support Adds New Guest Options

The recent release of version 13.0 enabled a capability on the B4450 which had been dormant up until now: vCMP support. With 13.0, running up to 12 guests per blade is now supported, yielding 96 guests in an 8-slot chassis, the C4800... Read more
0 Reviews

Behind the Scenes: The F5 Private Cloud Solution Package for Red Hat OpenStack  – Measuring Success

F5 and Red Hat have just released our Private Cloud Solution Package for OpenStack. There are all kinds of marketing pieces which describe this package, what it includes, how to buy it, and what the target market looks like. I wanted to take a few... Read more
0 Reviews

How Apps and APIs are Changing the App Acceleration Game

Modern apps are changing. And I’m not just talking about the rush to containerize apps or put them in the cloud. I’m talking about app architectures and, more specifically, the techniques behind them that are having a significant impact on... Read more
Average Rating: 4.9
4 Reviews

Lightboard Lessons: Device Services Clustering Failover Methods

In this episode of Lightboard Lessons, I continue last week’s DSC overview with an overview of the failover methods and the changes/enhancements introduced in the recently released version 13 of TMOS. Check back tomorrow for a write up on the v13... Read more
2 Reviews

Lightboard Lessons: Device Services Clustering

In this episode of Lightboard Lessons, I cover the basics of F5’s high availability architecture called Device Services Clustering, or DSC for short. Make sure you come back tomorrow for the written part of DSC that I’ll update below in this... Read more
2 Reviews

Cipher Suite Practices and Pitfalls

Cipher Suite Practices and Pitfalls It seems like every time you turn around there is a new vulnerability to deal with, and some of them, such as Sweet32, have required altering cipher configurations for mitigation.  Still other users may... Read more
Average Rating: 4.9
10 Reviews

F5 LBaaS v2 now certified with Mirantis v9 Mitaka.

F5 LBaaS v2 is now certified with the Mirantis Version 9 Mitaka OpenStack distribution. I want to thank my colleague, Ulises Alonso Camaro, for his efforts in performing the certification tests, creating the demo environment, and writing the... Read more
0 Reviews

Managing Your Vulnerabilities

I recently recovered from ACDF surgery where they remove a herniated or degenerative disc in the neck and fuse the cervical bones above and below the disk. My body had a huge vulnerability where one good shove or fender bender could have ruptured... Read more
0 Reviews

Time to Get Prepping for the F5 Certification 201 Exam

Less than a month after gaining some cred (and relief) from passing the F5 Certification 101 exam, the DevCentral team is now embarking on our 201-TMOS Administration journey. The 201-TMOS Administration exam is the second exam required to achieve... Read more
1 Review

Lightboard Lessons: Nagle's Algorithm

In this episode of Lightboard Lessons, Jason walks through the basics of Nagle’s algorithm: what it is, why it exists, why it matters, a potential problem, and how customizations by the BIG-IP TCP stack can help.  Resources IS TCP’s Nagle... Read more
0 Reviews

A Green Light for TLS

In today’s Internet, the only thing still more important than security is performance. Therefore, any new security control must also be optimized for performance. For CPU-intensive tasks like HTTPS encryption, there are many lesser-known features... Read more
1 Review

SSL Visibility for All

Even before the advent of HTTPS Everywhere, we struggled to ensure that every inspection tool got a peek at the traffic as it left the data center. With over 60% of Internet traffic encrypted and rising, that challenge is only growing. Simultaneously, HTTPS traffic is encrypted by stronger ciphers, designed to defeat most man-in-the-middle solutions. Specifically, Perfect Forward Secrecy (PFS) ciphers are creating blindspots in security and inspection solutions that rely on passive decryption architectures such as span ports. Read more
1 Review

Five Podcasts to Put You to Sleep

David Holmes shares the secret to sleeping like a baby every night. Read more
1 Review

iHealth Upgrade Advisor: Making upgrades a little easier

Whether it is upgrading the firmware on a switch, the OS on a server, an important business application or the software on a BIG-IP, performing upgrades is something that makes almost all IT Admins and Network Engineers nervous. We’ve learned from... Read more
Average Rating: 4.6
8 Reviews

DevCentral at Agility 2016 - The Preview Video

Now that I'm part of the DevCentral team, I give a preview of the DevCentral activities for F5's Agility 2016 event, May 17-18, in Vienna Austria. ps Read more
0 Reviews