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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
6 Reviews

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

The F5 Access Policy 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
1 Review

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: 4.5
7 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

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

The rising threat of GTP attacks - is your GRX/IPX connection secure?

In today’s world everything seems to revolve around privacy, security and challenges of protecting personal information, Apps, services and network infrastructure from a variety of threats. L7 DoS attacks, credential... Read more
0 Reviews

Apache Struts 2 Namespace Evaluation Remote Code Execution (CVE-2018-11776 / S2-057)

In the recent days, a new Apache Struts 2 Remote Code Execution vulnerability was announced (S2-057) and CVE-2018-11776 was allocated. At the moment, there is no public Proof of Concept exploit available. for a Struts 2 application to be... Read more
2 Reviews

Horizon Blast Extreme UDP with BEAT Support Functionality in BIG-IP Access Manager 14.0!

F5 BIG-IP Access Manager with Horizon Blast Extreme UDP with BEAT Support Functionality and how to implement the UDP code. Read more
2 Reviews

Configuring an Application for Smart Card Authentication and Forms Based SSO Using a Static Username and Password

A customer recently reached out requesting assistance providing smart card authentication to an application that does not integrate with AD or LDAP and has only a single username and password. While many of you out there may have done this in the... Read more
1 Review

Creating, Importing and Assigning a CA Certificate Bundle

Complex organizations like the Department of Defense can create certificate authority complications. DevCentral walks you through obtaining and creating CA bundles to help reduce impact as security requirements change. Read more
0 Reviews

Lightboard Lessons: Explaining the Diffie-Hellman Key Exchange

The Diffie-Hellman key exchange is used extensively in Internet communications today.  With the approval of the new TLS 1.3 protocol and the need for Perfect Forward Secrecy... Read more
0 Reviews

Oracle Periodically Security Update – Mitigating with ASM

Recently Oracle published its periodically security advisory. The advisory contains fixes for 334 CVEs, 231 of them are exploitable over the HTTP protocol. Oracle tends not to publicly disclose details related to the attack vectors of the... Read more
0 Reviews

Configuring Smart Card Authentication to the BIG-IP Traffic Management User Interface (TMUI) using F5's Privileged User Access Solution

As promised in my last article which discussed configuring the BIG-IP as an SSH Jump Server using smart card authentication, I wanted to continue the discussion of F5's privileged user access with additional use cases. The first follow on... Read more
0 Reviews

Lightboard Lessons: F5 BIG-IP and OPSWAT MetaDefender Integration

The OPSWAT MetaDefender advanced threat prevention technologies work seamlessly with F5 BIG-IP reverse proxy to scan file uploads for threats prior to web upload... Read more
0 Reviews

Configuring the BIG-IP as an SSH Jump Server using Smart Card Authentication and WebSSH Client

Based on the feedback I got when talking about this capability on social media, I figured I would write an article and expose everyone to what this solution actually looks like and how to deploy it. First off, I want to dig into the use case... Read more
1 Review

Configuring Smart Card Authentication and Kerberos Constrained Delegation in F5 Access Policy Manager (APM)

In previous articles, we have discussed the use of F5 BIG-IP as a SSL VPN and then followed up by adding endpoint security to the same Access Profile configuration we used for VPN access. I now wanted to take some time to discuss a use case that... Read more
1 Review

Lightboard Lessons: Introducing F5 DataSafe

F5 DataSafe protects data and credentials entered into sensitive fields in your web application by encrypting data at the application layer on the client side... Read more
2 Reviews

DevCentral's Featured Member for July - Rhazi Youssef

Our Featured Member series is a way for us to show appreciation and highlight active contributors in our community. Communities thrive on interaction and our Featured Series gives you some insight on some of our most active folks. Rhazi Youssef... Read more
Average Rating: 4.9
4 Reviews

Configuring Endpoint Security (Client-Side) Using F5 Access Policy Manager (APM)

In a previous article we discussed how to configure the BIG-IP as an SSL VPN solution. I wanted to take this and go a bit further by adding additional security to this solution by requiring certain end point settings, services or even updates be... Read more
Average Rating: 4.0
4 Reviews

Achieving firewall high-availability in Azure with F5

This article focuses on load balancing firewalls, achieving high availability, and protecting inbound non-HTTPS traffic, as well as outbound traffic in Microsoft Azure Read more
1 Review

Lightboard Lessons: The TLS 1.3 Handshake

The handshake process between client and server has changed dramatically with the new TLS 1.3 protocol. The new process is much more efficient and allows encrypted application data to flow much faster than in previous versions... Read more
1 Review