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What is an Application Delivery Controller - Part I

A Little History Application Delivery got its start in the form of network-based load balancing hardware. It is the essential foundation on which Application Delivery Controllers (ADCs) operate. The second iteration of purpose-built load balancing... Read more
0 Reviews
0 Reviews

Security Sidebar: Regulating the Internet of Things

It seems that just about everything is Internet-connected today…cars, cameras, phones, lights, thermostats, refrigerators, toasters…just to name a few. The so-called “Internet of Things” (IoT) is huge. On one hand, this is an amazing step in the advancement of technology. On the other hand, it’s a gold-mine for exploitation if you’re an attacker... Read more
0 Reviews

What is Load Balancing?

The entire intent of load balancing is to create a system that virtualizes the "service" from the physical servers that actually run that service. A more basic definition is to balance the load across a bunch of physical servers and make... Read more
0 Reviews

Lightboard Lessons: FireEye Ingress Solutions with BIG-IP

Most websites utilize https:// encryption to secure traffic to/from their webservers. This is a blessing and a curse...it's a blessing because the traffic is unreadable in its encrypted form. It's a curse because, well, the traffic is unreadable in its encrypted form... Read more
1 Review

What Is BIG-IP?

What is BIG-IP? F5's BIG-IP is a collection of hardware and software solutions designed for application security, reliability, and performance. DevCentral's F5 Basic series answers questions all new administrators have related to BIG-IP. Read more
1 Review

Introduction to DevCentral Basics

The DevCentral Basics article series introduces core concepts and terminology for the BIG-IP family of products. Understanding unique advantages of the F5 technology stack eases admins into new possibilities to deliver secure applications. And that's a good thing. Read more
Average Rating: 5.0
4 Reviews

Deploy BIG-IP VE in AWS

Cloud is all the rage these days as it has matured into a bona fide, viable option to deploy your applications. While attractive, you may also want to apply, mimic or sync your traditional data center policies like high availability, scalability... Read more
1 Review

Mitigating “Sentry MBA” - Credentials Stuffing Threat

“Credentials stuffing” attack technique became a very popular way nowadays to brute force user accounts over web applications’ login pages. Instead of trying to guess a certain user password from a generated word list (a.k.a. “dictionary”),... Read more
2 Reviews

TrickBot targets its first US bank

The latest arrival to the banking malware scene, and successor to the infamous Dyre Trojan continues to evolve. TrickBot previously targeted banks and businesses in Australia, New Zealand, Germany, UK, Ireland, Canada, India and Singapore. In a... Read more
1 Review

Lightboard Lessons: What is MQTT?

The mad dash to connect virtually every noun to the internet or The Internet of Things, is creating a massive M2M network for all the devices, systems, sensors and actuators to connect & communicate on the Internet. With that, they need a... Read more
0 Reviews

Lightboard Lessons: Air Gap Architectures

In this episode of Lightboard Lessons, Jason covers a couple deployment options for routing traffic through an IPS tier while maintaining source IPs. The first option compresses the external and internal legs of the air gap solution onto a single... Read more
1 Review
Average Rating: 5.0
3 Reviews

OK 2017, Now What?

The Year of the (Fire) Rooster will soon be upon us and the talkative, outspoken, frank, open, honest, and loyal Rooster could influence events in 2017. Whether you were born under the symbol or not, Roosters strive on trust and responsibility,... Read more
0 Reviews

iControl REST Cookbook - Virtual Server

Cheat sheet for the virtual server related iControl REST requests. Read more
2 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

TLS Fingerprinting - a method for identifying a TLS client without decrypting

TLS fingerprinting is a methodology based on the attributes in an SSL/TLS handshake ClientHello message, attributes that are ever-so-slightly unique across different client user agents. This methodology, while not perfect, presents an interesting approach to identifying user agents without first decrypting the traffic and looking for an HTTP User-Agent header. Read more
Average Rating: 4.9
8 Reviews

Deploying OpenStack DevStack on VMware Fusion

An article which describes how to install DevStack Mitaka on one's laptop using either VMware Fusion or Workstation Read more
1 Review

PHP 7 Unserialize Mechanism 0-days

Recently reserachers at "Check Point" has uncovered 3 new previously unkown vulnerabilitites in the new version of PHP. CVE-2016-7479 and  CVE-2016-7480 could result in attackers taking a full control of the target server, while... Read more
Average Rating: 5.0
3 Reviews

David Holmes Greatest Hits, 2016 Edition

You know how scientists hypothesize that there are an infinite number of universes? 2016 is a year that forces me to confront the reality that they may be right. I've been starting to think that we live in one of the bizarre, alternate... Read more
0 Reviews

PHPMailer Remote Code Execution (CVE-2016-10033)

An advisory has been published on a critical 0-day unauthenticated RCE (Remote Code Execution) vulnerability in the “PHPMailer” system. PHPMailer is a popular code for sending email from PHP and probably the world’s most popular one according... Read more
2 Reviews

F5 Networks - Silverline WAF Express overview

Silverline Web Application Firewall Express is a cloud-based service built on BIGIP Application Security Manager (ASM) – to help organizations protect web applications and data, and enable compliance with industry standards, such as PCI DSS. Read more
1 Review

Using RBAC With iControlREST on BIG-IP

BIG-IP is able to use built-in Role-Based Access Control (RBAC) functionality. The operator function will be used in this example. This article gives some guidance on how you can use such a role in combination with a role of operator. Read more
0 Reviews

Lightboard Lessons: TLS Server Name Indication

Server Name Indication (SNI) is an extension to the TLS protocol that allows the client to include the requested hostname in the first message of the SSL handshake (Client Hello). Prior to the introduction of SNI, the client could not easily establish secure connections to multiple servers hosted on a single IP address. Read more
Average Rating: 5.0
3 Reviews

Blog Roll 2016

It’s that time of year when we gift and re-gift, just like this text from last year. And the perfect opportunity to re-post, re-purpose and re-use all my 2016 entries. After 12 years at F5, I had a bit of a transition in 2016, joining the amazing... Read more
1 Review