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Security
August 11, 2015
At Fastly Altitude 2015, Joe Williams, a computer operator at GitHub, gave a talk on mitigating security threats (like DDoS attacks) with a CDN. This post is an overview of his talk, with…
July 21, 2015
In this blog post, I'll describe how to use AFL's experimental persistent mode to blow the doors off of a server without having to make major modifications to the server's codebase. I've…
May 20, 2015
Fastly is not vulnerable to Logjam — we only offer the more secure Elliptic Curve variant of the Diffie-Hellman key exchange (ECDHE), and the RSA key exchange mechanism for clients that don…
April 10, 2015
Rotation, expiration, and revocation of secrets are all important concerns that require careful and difficult up-front design. Transport Layer Security (TLS), the protocol underlying secure…
March 19, 2015
Fastly has evaluated each of these vulnerabilities and found that only one moderate-severity bug affects our configuration. We are currently testing the patch and coordinating a global…
February 3, 2015
As many of you know, TLS best practices have changed a lot in the past two years. Recently, Fastly has changed how we configure TLS to make it even more secure. This includes migrating our…
January 22, 2015
TLS is especially applicable to news sites. News organizations bear a public responsibility to accurately report the news, and need to take the steps necessary to ensure credibility. The…
December 4, 2014
In this post, I investigate several strategies for maintaining security while improving cacheability. I use Ruby on Rails for the examples, but the techniques apply to nearly any web…
