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The latest blog posts to take off on Hacker News. 616 posts.

Security & Privacy
2017
231

The qmail security guarantee

Of course, ``security hole in qmail'' does not include problems outside of qmail: for example, NFS security problems, TCP/IP security problems, DNS security problems, bugs in scripts run from .forward files, and operating system bugs generally. It's silly to blame a problem on qmail if the system was already…

235

Introducing App Engine Firewall

A key security feature for application developers and administrators is to be able to allow or deny incoming requests based on source IP addresses. This capability can help you do production testing without exposing your app to the world, block access to your app from specific geographies or block requests from a…

236

I'm giving up on HPKP

HTTP Public Key Pinning is a very powerful standard that allows a host to instruct a browser to only accept certain public keys when communicating with it for a given period of time. Whilst HPKP can offer a lot of protection, it can also cause a lot of harm too.

240

Se­cu­rity Keys

Security Keys are (generally) USB-connected hardware fobs that are capable of key generation and oracle signing. Websites can “enroll” a security key by asking it to generate a public key bound to an “appId” (which is limited by the browser based on the site's origin). Later, when a user wants to log in, the website…