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20 Lines or Less #84: iRule Solutions for Basic Auth, Host Rewrites, and Conditional Redirects

What could you do with your code in 20 Lines or Less? That's the question we like to ask from, for, and of (feel free to insert your favorite preposition here) the DevCentralcommunity, and every time we do, we go looking to find cool new... Read more
0 Reviews

Ready or not, HTTP 2.0 is here

From HTTP to SPDY, to HTTP 2.0. The introduction of a new protocol optimized for today’s evolving web services opens the door to a world of possibilities. But are you ready to make this change?While the breakneck speed with which applications,... Read more
1 Review

新しいウェブプロトコルHTTP 2.0にいち早く対応するための「ゲートウェイ」という考え方

HTTPからSPDY、そしていよいよHTTP2.0へ ― 進化するウェブサービス最適な最新のウェブのプロトコル導入を見据え、様々な取り組みが始まっています アプリケーション、デバイス、サイバーセキュリティの進化は目まぐるしく進んでいますが、インターネットの大部分の通信を担う通信プロトコル「HTTP」は実は初代からあまり大きな進化を遂げていない ― これは意外と知られていない現実です。 インターネット標準化団体であるIETFの資料によると、初代のHTTP... Read more
0 Reviews

LineRate HTTP to HTTPS redirect

A quick LineRate proxy code snippet to convert an HTTP request to a HTTPS request using the embedded Node.js engine. Read more
Average Rating: 4.9
5 Reviews

HTTP 2.0 changes everything

#HTTP #ietf #webperf #infosec Despite the hype and drama surrounding the HTTP 2.0 effort, the latest version of the ubiquitous HTTP protocol is not just a marketing term. It's a real, live IETF standard that is scheduled to "go... Read more
Average Rating: 3.9
5 Reviews

What Does 'HTTP is the new TCP' Mean for You

#SDN #webperf  It means you can't use "network" protocols to make intelligent decisions about applications any more. Back in 2000 (or 2001, I forget exactly), I got to test a variety of bandwidth management appliances. Oh, they... Read more
0 Reviews

Verify, but Never Trust?

Much is being written lately about so-called "Zero Trust Model" security, which prompts me to ask, "Since when did we security folk trust anyone?"  On the NIST site, you'll find a thorough report NIST commissioned from... Read more
0 Reviews

HTTP Isn't Enough

#sdas #devops #webperf Speaking "HTTP" doesn't make you application fluent, it makes you protocol fluent. There are over a million apps in the Google Play Store. There are also about a million apps in the Apple App Store. That's... Read more
0 Reviews

Bandwidth, Bandwidth, Bandwidth!

#SDN To really provision bandwidth efficiently you have to get inside the application. One of the most commonly cited use cases for SDN (the classical, architectural definition) centers on ensuring quality of service for applications, usually by... Read more
0 Reviews

Application Security in the Cloud is still Cloudy

#infosec #cloud An interesting statistic raises an even more interesting question. IBM shared a security related infographic via Twitter recently and in looking through the statistics (most of which are attributed to 2011 research, by the way) I... Read more
0 Reviews

HTML5 WebSockets: High-Speed Infrastructure Integration Bus?

#HTML5 #SPDY Web 2.0 style integration has become the norm with REST and SOA-based APIs – WebSockets may provide the speed and scale necessary to make it the perfect answer to infrastructure integration challenges One of the concerns that arose... Read more
0 Reviews

SPDY versus HTML5 WebSockets

#HTML5 #fasterapp #webperf #SPDY So much alike, yet so vastly a different impact on the data center … A recent post on the HTTP 2.0 War beginning garnered a very relevant question regarding WebSockets and where it fits in (what might shape up to... Read more
0 Reviews

Capacity in the Cloud: Concurrency versus Connections

#devops #cloud #ado Understanding the difference between concurrency and connections is an important step in capacity planning in public cloud environments Choosing the right size for an instance in the cloud is – by design – like choosing the... Read more
0 Reviews

Y U No Support SPDY Yet?

#fasterapp #ado #interop Mega-sites like Twitter and popular browsers are all moving to support SPDY – but there’s one small glitch in the game plan… SPDY is gaining momentum as “big” sites begin to enable support for the would-be HTTP 2.0... Read more
0 Reviews

The “All of the Above” Approach to Improving Application Performance

#ado #fasterapp #stirling Carnegie Mellon testing of ADO solutions answers age old question: less filling or tastes great? You probably recall years ago the old “Tastes Great vs Less Filling” advertisements. The ones that always concluded in... Read more
0 Reviews

Network versus Application Layer Prioritization

#fasterapp Why SPDY and similar techniques could succeed where coloring TOS bits failed Back in the day, before VoIP was common and we were all chatting over Skype, there was a very real concern about how to ensure the network could support it.... Read more
0 Reviews

20 Lines or Less #53: Security, Security & more Security

What could you do with your code in 20 Lines or Less? That's the question I ask (sometimes?) every week for the DevCentral community, and every week I go looking to find cool new examples that show just how flexible and powerful iRules can ... Read more
0 Reviews

20 Lines or Less #52: Handshakes, Dynamic IPs, and Destinations

What could you do with your code in 20 Lines or Less? That's the question I ask (sometimes?) every week for the DevCentral community, and every week I go looking to find cool new examples that show just how flexible and powerful iRules... Read more
0 Reviews

The Magic of Mobile Cloud

It’s like unicorns…and rainbows! #mobile Mark my words, the term “mobile” is the noun (or is it a verb? Depends on the context, doesn’t it?) that will replace “cloud” as the most used and abused and misapplied term in technology in the coming... Read more
0 Reviews

Infrastructure Architecture: Whitelisting with JSON and API Keys

Application delivery infrastructure can be a valuable partner in architecting solutions …. AJAX and JSON have changed the way in which we architect applications, especially with respect to their ascendancy to rule the realm of integration, i.e.... Read more
0 Reviews

F5 Friday: Zero-Day Apache Exploit? Zero-Problem

#infosec A recently discovered 0-day Apache exploit is no problem for BIG-IP. Here’s a couple of different options using F5 solutions to secure your site against it. It’s called “Apache Killer” and it’s yet another example of exploiting not a... Read more
0 Reviews

F5 Friday: If Only the Odds of a Security Breach were the Same as Being Hit by Lightning

#v11 AJAX, JSON and an ever increasing web application spread increase the odds of succumbing to a breach. BIG-IP ASM v11 reduces those odds, making it more likely you’ll win at the security table When we use analogy often enough it becomes... Read more
0 Reviews

WILS: Content (Application) Switching is like VLANs for HTTP

We focus a lot on encouraging developers to get more “ops” oriented, but seem to have forgotten networking pros also need to get more “apps” oriented. Most networking professionals know their relevant protocols, the ones they work with day in... Read more
0 Reviews

20 Lines or Less #49: SSL Renegotiation, Execution Halting and HTTP Rewriting

What could you do with your code in 20 Lines or Less? That's the question I ask (almost) every week for the devcentral community, and every week I go looking to find cool new examples that show just how flexible and powerful iRules can be... Read more
0 Reviews

F5 Friday: Expected Behavior is not Necessarily Acceptable Behavior

Sometimes vulnerabilities are simply the result of a protocol design decision, but that doesn’t make it any less a vulnerability An article discussing a new attack on social networking applications that effectively provides an opening through... Read more
0 Reviews