Edge Logic: Securing Varnish with per-user JSON data

When using a traditional CDN or caching system, creating user-centric security and access policies can be a complex and performance challenging undertaking. Not only do you have to pull user data from a backend, but you then have to apply the security policies from that data onto the request. VCL is an excellent candidate for the latter problem of applying security policies to requests. This leaves the problem of how you get user data (JSON) into VCL? How do you do that on a user-by-user basis? And how do you do that in a way where you keep backend communication to an absolute minimum, or put another way, serve as much data from cache as possible?

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25/10/17 15:00
by Reza Naghibi

Convenience in content delivery solutions: Choose your own adventure

You hear and read a lot these days about “taking back control of your content” … but are you really in control of your content when its delivery is in someone else’s hands? Or when you can’t decide how you want to manage the content and its delivery? Anyone who delivers copious amounts of content, has unconventional needs or wants to create a solution that works to the advantage and convenience of their own requirements will recognize that it’s kind of an adventure finding the right balance.

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05/12/16 11:30
by Erika Wolfe

Control your own content: Building a private content delivery solution

“Not everybody does it but everybody should…” Okay, quoting George Michael circa 1987 won’t get us anywhere, and the truth is, not everybody should build their own content delivery solution. But you should know that the option is there if you’ve got the need. Some companies do indeed have a need, with clear cases for building a private content delivery solution for themselves.

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30/11/16 11:44
by Erika Wolfe

Video content delivery - as important as the video itself

As marketers, we've been trained and gained experience in creating cross-platform content that will reach and hopefully engage potential users and maybe even, if we're creative enough, go viral. We're using our budgets and creativity to develop multimedia, integrated marketing and advertising campaigns... but do we factor in the technical challenges involved in ensuring the delivery and performance of this content? 

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04/11/16 23:44
by Erika Wolfe

All things Varnish related

The Varnish blog is where the our team writes about all things related to Varnish Cache and Varnish Software...or simply vents.

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