Per Buer

Per Buer

The hash collision attacks

During Christmas there was a big kerfuffle around the hash collision attacks, a denial of service attack that exploits...

HTTP Streaming in Varnish

Since April this year we've been working with a few customers implementing proper support for streaming of objects in...

Varnish 3.0 - the Standard Module

Module support is perhaps the most exciting feature of Varnish Cache 3.0. It makes it really easy to add quite complex...

Streaming in Varnish 3.0

Varnish Cache 2.1 does what you can call store-and-forward proxying. It gets the request, then it turns around, gets...

Bans and purges in Varnish 3.0

In Varnish 1.0 there was only one way or ejecting content from Varnish. You had to add VCL code that could find the...

Varnish 3.0 changes - ESI and gzip

Finally Varnish 3.0 is feature complete and we're about to roll out a beta. All in all we've done quite a lot of...