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Security

September 10

Fastly Director of Security Engineering Maarten Van Horenbeeck shares his experiences of how the security community can protect the “global commons” that the internet has become.

August 11

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

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

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

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

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

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

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

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…