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Automate BIG-IP in customer environments using Ansible

There are a lot of technical resources on how Ansible can be used to automte the F5 BIG-IP. A consolidated list of links to help you brush up on Ansible as well as help you understand the Ansible BIG-IP solution > - github/devcentral etc I am... Read more
0 Reviews

Lightboard Lessons: What is HTTP?

In this Lightboard Lesson, I light up some #basics about HTTP. HTTP defines the structure of messages between web components such as browser or command line clients, servers like Apache or Nginx, and proxies like the BIG-IP. ps Related: What is... Read more
0 Reviews

What is HTTP Part II - Underlying Protocols

Last week in part one of this series, we took the 50,000 foot view of the HTTP protocol. HTTP defines the structure of message transfer for web resources, but doesn’t have anything to say about or do with the underlying infrastructure (through... Read more
1 Review

How Containers Scale – Service Mesh versus Traditional Architecture

Containers continue to be a hot topic. Some claim they are on the verge of a meteoric rise to dominate the data center. Others find them only suitable for cloud. And still others are waiting patiently to see if containers is the SDN of app... Read more
0 Reviews

Lightboard Lessons: Dynamic AFM Policy Selection Based on Geolocation

For some web applications, you need a separate network firewall policy for users from different geographic locations.  Using the power of iRules and VIP-targeting-VIP solutions, you can dynamically select an AFM policy based on source IP geolocation. Read more
2 Reviews

Automatically Update your BIG-IP Pool Using the Service Discovery iApp

Let’s look at how to automatically add members to your BIG-IP pool by using the Service Discovery iApp. Whenever you deploy a BIG-IP Virtual Edition by using one of the templates on the F5 Github site, this iApp is installed on the BIG-IP. The... Read more
0 Reviews

Nessus 6 XSLT Conversion for ASM Generic Scanner Import

Nessus 6 XSLT Conversion for ASM Generic Scanner Schema Import Read more
Average Rating: 4.9
5 Reviews

Apache Struts 2 FreeMarker tag Remote Code Execution (CVE-2017-12611)

In the recent days, another 0-day remote code execution vulnerability in Apache Struts 2 has been published (CVE-2017-12611). This time the vulnerability’s root cause is not stemming from a bug in the Struts 2 framework, but a feature of the... Read more
2 Reviews

What is HTTP?

tl;dr - The Hypertext Transfer Protocol, or HTTP, is the predominant tool in the transferring of resources on the web, and a "must-know" for many application delivery concepts utilized on BIG-IP HTTP defines the structure of message... Read more
Average Rating: 4.8
6 Reviews

Apache Struts 2 REST plugin Remote Code Execution (CVE-2017-9805)

In the recent days, a new critical Apache Struts 2 vulnerability was announced which allows remote attackers to execute arbitrary commands on the server. The original post (S2-052) has not published exploit details yet, most probably to allow... Read more
Average Rating: 4.8
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

DevCentral’s Featured Member for September – Rob Carr

Rob Carr is a Senior Trainer/Professional Services Consultant with Red Education Pty in Australia, covering the Oceania and Asia markets. He has done training and engagements from New Zealand to Taiwan and points in between. About 60% of his time... Read more
1 Review

Tightening the Security of HTTP Traffic Part 3

Part 3:   Headers to remove   Server and X-Powered-by headers The Server and X-Powered-By headers:  Should be removed or changed These are added by default by some web servers such as apache, nginx, Express,…   Example:... Read more
0 Reviews

Translating Cipher Suites from Wireshark to BIG-IP

Many of us use Wireshark to capture and analyze network traffic.  When it comes to SSL/TLS traffic, Wireshark does a great job of showing the cipher suites presented by the client and then the cipher suite chosen by the server in a given... Read more
Average Rating: 4.9
4 Reviews

PHP Serialized Object Vulnerabilities

Object serialization has always been a tricky subject. Using serialization as a design pattern can always lead to catastrophic consequences such as remote code execution when user input isn't properly validated. Read more
0 Reviews

Lightboard Lessons: What is BIG-IQ?

In this Lightboard Lesson, I light up many of the tasks you can do with BIG-IQ, BIG-IQ centralizes management, licensing, monitoring, and analytics for your dispersed BIG-IP infrastructure. If you have more than a few F5 BIG-IP's within your... Read more
0 Reviews

iWorkflow 2.3.0 introduces GUI support for multi-tenant capabilities of the BIG-IP

iWorkflow 2.3.0 introduces GUI support for multi-tenant capabilities of the BIG-IP that were added to the API in version 2.2.0. Read more
1 Review

Deploy an Auto-Scaled BIG-IP VE WAF in AWS

Today let’s look at how to create and deploy an auto-scaled BIG-IP Virtual Edition Web Application Firewall by using a Cloud Formation Template (CFT) in AWS. CFTs are simply a quick way to spin up solutions that otherwise, you may have to create... Read more
0 Reviews

Tightening the Security of HTTP Traffic Part 2

This is the second part of this article which provides guidelines for tightening the security of http traffic by leveraging the power of F5 Big-IP and  iRules to include the latest HTTP security headers to all HTTP responses. Read more
1 Review

Getting started with the python SDK part 2: unnamed resources and commands

In the first article in this series we looked at the sdk installation steps, nomenclature, and basic BIG-IP instantiation. In this article, we’ll focus on unnamed resources and commands. Working with Unnamed Resources Unlike named resources like... Read more
1 Review

Lightboard Lessons: BIG-IP ASM Layered Policies

In this Lightboard Lesson, I light up some use cases for BIG-IP ASM Layered Policies available in BIG-IP v13. With Parent and Child policies, you can: Impose mandatory policy elements on multiple policies; Create multiple policies with baseline... Read more
2 Reviews

Security Sidebar: Roomba Does More Than Vacuum Your Floors

We spend lots of money on defensive security systems to maintain our privacy, but then we purchase a mobile sensor that can gobble up tons of information about us... Read more
1 Review

Tightening the Security of HTTP Traffic part 1

In this article, I will give an overview of some important headers that can be added to HTTP responses in order to improve the security web applications. Read more
Average Rating: 4.9
6 Reviews

Practical Protocol Primer: How an app proxy works with HTTP

The introduction of containers and clustering, with its self-contained ecosystem of load balancers, ingress controllers, and proxies can be confusing. That’s because they insert themselves into a well-understood, connection-oriented flow (TCP)... Read more
0 Reviews

Onboarding F5 in Cloud Part 2 - Service Discovery

Another critical component of the auto scaled or dynamic environment is service discovery. As instances or pool members are now more ephemeral, it becomes absolutely required to automate. The task is really quite simple, you need to use the... Read more
0 Reviews