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iControl 101 - #08 - Partitions

In a previous article, I discussed user management and the concepts of user roles.  User roles form half of what we refer to as Administrative Domains.  The second half of Administrative Domains are Configuration Partitions.  ... Read more
0 Reviews

LTM: HTTP Monitoring with POST Request

I recently discovered that you can use LTM's built in HTTP monitor template to send a POST request to a server to verify its health. It's surprisingly straightforward in comparison with the external monitor approach I've used in the... Read more
0 Reviews

iControl 101 - #07 - User Management

iControl is a robust management API that not only encompasses the control of network management objects, but also many other aspects of the system level configuration. This article will discuss the methods used to create and manage all aspects of... Read more
Average Rating: 4.9
4 Reviews

LTM: Configuring IP Forwarding

A basic change in internal routing architecture and functionality between BIG-IP 4.x and LTM 9.x has caused some confusion for customers whose v4.x deployment depended on IP forwarding. Here is an explanation of the change, and the new... Read more
1 Review

Radius Aware Load Balancing via iRules

RADIUS is very popular authentication method that is being widely used in amongst some of the top service providers around the world, not to mention in deployments ranging from enterprise corporate environments to clustered mail systems and back.... Read more
0 Reviews

Configuring Client Certificate Passwordless Authentication on FirePass

Client side certificate authentication systems continue to gain popularity in many business verticals.  The ease and reliability of a certificate based system have the potential to save companies time and money through lowered operational... Read more
Average Rating: 3.4
5 Reviews

Monitoring TCP Applications #01

LTM has built-in application health monitor templates for many TCP-based application protocols (FTP, HTTP, HTTPS, IMAP, LDAP, MSSQL, NNTP, POP3, RADIUS, RTSP, RPC, SASP, SIP, SMB, SMTP, SOAP).  If you need to monitor an application which... Read more
1 Review

Conditioning iRule Logic on External Information - #01 - HTTP::retry

Customers frequently ask if they can condition their iRule logic on information retrieved real-time from an external source.  In most cases, you really can't. Most external calls are blocked If an external call were to take place inside... Read more
0 Reviews

iRule Security 101 - #05 - Avoiding Path Traversal

Path Traversal is an attempt to access files and/or directories stored outside web root folder. If successful this could allow malicious users to view content they were not intended to see, execute programs that have lax permissions and were... Read more
0 Reviews

Tweaking FirePass – Integrating RSA SecurID via WebDAV Customization

Note: Special thanks to the Firepass development team for providing this tip. As IT departments deploy an ever-growing list of mobile devices, secure authentication becomes an even bigger nightmare to keep IT management awake at night. One option... Read more
0 Reviews

iRule Maintenance Windows

A fun, but not well known, feature on BIG-IP is the Statistics Profile. This tech tip is the second in a series on how the Statistics Profile and iRules, when working together, can save time, productivity, and your sleep! The Scenario: Imagine... Read more
Average Rating: 4.9
3 Reviews

Offload Authentication with iRules

As the applications being driven by webservers become more and more complex, Applications Developers are always looking for ways to increase efficiency or do away with unneeded processing time. One of the ways that I believe that Applications can... Read more
1 Review

Requiring an SSL Certificate for Parts of an Application

When building many enterprise web-based applications, security must be taken seriously. iRules provide powerful capabilities for influencing security decisions when processing for your web services and applications. This is a rule for requiring a... Read more
0 Reviews