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RichFaces Framework 3.X Expression Language (EL) Injection (CVE-2018-14667)

Recently, a new vulnerability in the RichFaces framework was discovered and was assigned with CVE-2018-14667. RichFaces is one of the libraries that implement the JavaServer faces (JSF) specification which is the Java standard for building... Read more
0 Reviews

Lightboard Lesson: Perfect Forward Secrecy Inspection Visibility

This time last year, we released a Lightboard Lesson recorded by David Holmes featuring his insights on the ultimate passive inspection architecture. Whereas the solution he proposed in that video stepped perfect forward secrecy (pfs) traffic down... Read more
2 Reviews

BIG-IQ Reporting for Subscriptions and ELA - How to Generate and Revoke Licenses for Isolated BIG-IP VE Instances

Ever wonder how to generate subscription and ELA reports for BIG-IP virtual editions not connected to BIG-IQ? Now you can find out with DevCentral. Revel in the magical world of generating and revoking licenses for BIG-IP VE in isolated environments. Read more
0 Reviews

BIG-IQ Reporting for Subscription and ELA Programs

Learn how to use BIG-IQ to generate your subscription and ELA reporting. Find out when reporting is needed and how the report is used. Read more
1 Review

iControl REST Fine-Grained Role Based Access Control

iControl REST Fine-Grained Role Based Access Control Introduction The F5's role based access control (RBAC) mechanism allows a BIG-IP administrator to assign appropriate access privilages to the users [1]. For example, when the operator role... Read more
2 Reviews

iRules Commands Updates

Late last week, I updated the iRules wiki with all the commands and events introduced in version 14.0. In the process, I noticed there were several commands I had to update as well, as I have done for past versions. The updated commands are noted... Read more
1 Review

BIG-IP Solutions: URL Redirect Deep Dive

Sometimes you just need to simply redirect one web page to another. But sometimes you have a page with lots of links and you want to redirect some of them but not all of them... Read more
1 Review

Lightboard Lessons: SSL Certificates Behaving Badly

In the world of secure websites, it's critical to maintain proper ownership of the certificate that helps protect your site. As it turns out, one person can legitimately hold a valid certificate for a website that someone else owns... Read more
Average Rating: 4.9
3 Reviews

Configure the F5 BIG-IP as an Explicit Forward Web Proxy Using LTM

In a previous article, I provided a guide on using F5's Access Policy Manager (APM) and Secure Web Gateway (SWG) to provide forward web proxy services. While that guide was for organizations that are looking to provide secure internet access... Read more
0 Reviews

BIG-IP Solutions: Simple URL Redirects

Many people use iRules for URL redirects, but the BIG-IP offers policies to do this for you. Policies are faster than iRules, they are easier to manage, and you don't have to know the exact scripting language code to use them... Read more
Average Rating: 4.8
5 Reviews

Lightboard Lessons: Basic Kerberos Authentication

In this Lightboard Lesson, I kick off a three-part series on Kerberos authentication, starting with the basic authentication messaging. Stay tuned for delegation and protocol transitions in part two, and then I'll wrap the Kerberos series... Read more
Average Rating: 4.8
5 Reviews

Lightboard Lessons: F5 Access Manager/APM and Okta - Single Sign On and Multi-Factor Authentication

The F5 Access Manager provides access to all kinds of web applications...no matter what kind of authentication requirements they have.  Likewise, Okta provides identity management for all kinds of users... Read more
0 Reviews

What is HTTP Part X - HTTP/2

In the penultimate article in this What is HTTP? series we covered iRules and local traffic policies and the power they can unleash on your HTTP traffic. To date in this series, the content primarily focuses on HTTP/1.1, as that is still the... Read more
2 Reviews

Lightboard Lessons: The DNS Water Torture Attack

A Domain Name System (DNS) Water Torture attack involves attackers sending non-existent subdomain requests to an Authoritative Name Server for a specific domain. These malicious requests consume the resources on the name server... Read more
0 Reviews

The Top Ten Hardcore F5 Security Features in BIG-IP 14.0

B-list F5 Celebrity David Holmes picks the top ten most hardcore security features for version 14.0. Read more
Average Rating: 4.9
6 Reviews

NetOps Primer: What are Microservices?

Microservices are coming to a network near you. Forty-one percent (41%) of respondents to our State of Application Delivery 2018 survey told us their organizations were exploring microservices as a result of digital transformation initiatives.... Read more
2 Reviews

Understanding Performance Metrics and Network Traffic

Everybody should understand what specification sheet numbers mean, and how they apply to real world traffic. This article explains how specification sheets are generated and how to estimate the actual capacity needs of production environments. Read more
Average Rating: 4.9
4 Reviews

Integrating OPSWAT MetaDefender With F5 SSL Orchestrator

All F5 products that expose ICAP interfaces (like BIG-IP ASM and SSL Orchestrator) can take full advantage of OPSWAT’s MetaDefender capabilities.  These capabilities include thorough malware scanning... Read more
Average Rating: 4.9
3 Reviews

Lightboard Lessons: Exploiting Cellular IoT Gateways

Many critical emergency services manage fleets with vulnerable cellular IoT devices. “Vulnerable” doesn’t mean a vulnerability within the hardware or software. It can also mean being susceptible to remote attacks because of weak access control... Read more
2 Reviews

Integrating OPSWAT MetaDefender with F5 Advanced WAF & BIG-IP ASM

F5 has teamed up with OPSWAT to allow for comprehensive content analysis and sanitization. These capabilities include thorough malware scanning using over 30 leading anti-malware engines as well as Content Disarm and Reconstruction services... Read more
Average Rating: 4.9
3 Reviews

Wanted: NetOps with Opinions

Take the State of Application Services 2019 survey Yes, you read that right. It’s that time again when we survey the market on the State of Application Delivery Services. No, that’s not a typo. The change in name is deliberate. For the past four... Read more
0 Reviews

Using Client Subnet in DNS Requests

BIG-IP DNS 14.0 now supports edns-client-subnet (ECS) for both responding to client requests (GSLB) or forwarding client requests (screening). The following is a quick start on using this feature. Read more
2 Reviews

Getting started with the python SDK part 6: transactions

In the last article we looked at request parameter options. In this article we'll look at how to use transactions with the python SDK. Before we dig into the SDK implementation, let’s take a look at what a transaction is, why you’d use one,... Read more
0 Reviews

Lightboard Lessons: The Apache Struts 2 Remote Code Execution Vulnerability

The Apache Struts 2 framework is used extensively to build web applications.  This framework has also been the victim of several vulnerabilities that dramatically affect users all over the world... Read more
0 Reviews

F5 GTP Firewall - stop intruders at EPC edge

F5 has a portfolio of products and solutions made specifically for Service Providers - S/Gi Firewall, Context-aware Policy Enforcement (PEM), DNS Solutions, Diameter signaling solutions, CGNAT and TCP Optimization... Read more
1 Review