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Transparent Web Application Bot Protection

The Problem HTML Web forms are a mechanism for someone to build a web page that allows a user to send data to a server for processing.  Users can fill out the forms with elements such as checkboxes, radio buttons, or text fields.  When ... Read more
0 Reviews

Session Table Control With iRules

In my previous article titled Session Table Exporting With iRules, I posted an example iRule that will allow you to export your session table entries for archival purposes.   If you are reading this and have no clue what the session... Read more
1 Review

Troubleshooting TLS Problems With ssldump

Introduction Transport Layer Security (TLS) is used to secure network communications between two hosts. TLS largely replaced SSL (Secure Sockets Layer) starting in 1999, but many browsers still provide backwards compatibility for SSL version 3.... Read more
Average Rating: 4.9
6 Reviews

Session Table Exporting With iRules

If you have been following the iRules Tech Tips here on DevCentral lately, you’ll see more and more use of the Session table for data storage and retrieval.  Colin recently put up a few articles around building Heatmaps with iRules.  In... Read more
0 Reviews

HTTP Basic Access Authentication iRule Style

I started working on an administrator control panel for my previous Small URL Generator Tech Tip (part 1 and part 2) and realized that we probably didn’t want to make our Small URL statistics and controls viewable by everyone. That led me to make... Read more
Average Rating: 4.9
9 Reviews

Automated Gomez Performance Monitoring Part 3 - Page Identification

In the first article in this series “Automated Gomez Performance Monitoring”, I illustrated how to create an iRule that would automatically inject the required JavaScript code into your web pages to integrate your application with the Gom... Read more
0 Reviews

Automated Gomez Performance Monitoring Part 2 – DataCenter Identification

In my previous article titled “Automated Gomez Performance Monitoring”, I gave an overview of Gomez and the partnership between F5 Networks and Gomez to assist users of both technologies to integrate the two together.  In that article, ... Read more
0 Reviews

Writing to and rotating custom log files

Sometimes I need to log information from iRules to debug something. So I add a simple log statement, like this: when HTTP_REQUEST {   if { [HTTP::uri] equals "/secure" } {     log local0. "[IP::remote_addr]... Read more
Average Rating: 4.5
6 Reviews

Automated Gomez Performance Monitoring

Gomez provides an on-demand platform that you use to optimize the performance, availability and quality of your Web and mobile applications. It identifies business-impacting issues by testing and measuring Web applications from the “outside-in” ... Read more
0 Reviews

iRule Editor - System Config Editing

In the latest release of the iRule Editor v 0.10.1, I added several new features.  This tutorial will walk through System Level Configuration editing allowing you to work with your bigip.conf and bigip_base.conf files without having to open a... Read more
0 Reviews

iRule Editor - Offline Editing

In the latest release of the iRule Editor v 0.10.1, I added several new features.  This tutorial will walk through the Offline Editing features I've added that allow you to write your iRules when not connected to the BIG-IP.  It... Read more
0 Reviews

iRule Editor - Auto Connection

SyntaxHighlighter.all();In the latest release of the iRule Editor v 0.10.1, I added several new features.  This tutorial will walk through the Auto Connection features I've added that allow you to supply command line arguments to... Read more
0 Reviews