OpenSSH Ships on Every Mac, Linux Server and Windows. Its Creator Trusts No One(zbruceli.org)

4 points by zbruceli 20 days ago | 0 comments

Long-form blog profile of OpenSSH creator Theo de Raadt, covering his NetBSD exit, lost DARPA grant, and security-focused philosophy.

Understanding DNS Resolution on Linux and Kubernetes(jpetazzo.github.io)

64 points by fanf2 1 year ago | 27 comments

Document reasoning to block DNS to 127.0.0.1(github.com)

49 points by waplot 3 years ago | 30 comments

MaraDNS: A small open-source DNS server(github.com)

52 points by axiomdata316 3 years ago | 22 comments

What's the story behind the names of Cloudflare's name servers? (2013)(blog.cloudflare.com)

38 points by aragonite 3 months ago | 36 comments

Show HN: An Almost Free, Open Source TURN Server(github.com)

111 points by cookie_monsta 1 year ago | 42 comments

AWS to begin charging for public IPv4 addresses(aws.amazon.com)

410 points by realshadow 3 years ago | 335 comments

AWS blog post announcing a new charge for public IPv4 addresses and a Public IP Insights feature; the captured page rendered blank.

Cloudflare is down(cloudflare.com)

763 points by mektrik 10 months ago | 470 comments

Cloudflare's homepage returning a bare 500 Internal Server Error page during a Cloudflare outage.

Implement DNS in a Weekend(implement-dns.wizardzines.com)

594 points by asicsp 3 years ago | 68 comments

Julia Evans's blog post announcing a free guide to implementing a DNS resolver from scratch in about 200 lines of Python.

How to set up SPF, DKIM, and DMARC for your sending domain(mailfully.com)

49 points by spy888 25 days ago | 20 comments

A blog guide from Mailfully explaining how to configure SPF, DKIM, and DMARC DNS records for an email sending domain.

Saving 100 terabytes of memory by optimizing 1.1.1.1's DNS cache(blog.cloudflare.com)

857 points by TangerineDream 1 month ago | 250 comments

Cloudflare blog deep dive on how optimizing the 1.1.1.1 DNS resolver's cache data structures saved 100 terabytes of memory.

Cloudflare targets 2029 for full post-quantum security(blog.cloudflare.com)

370 points by ilreb 6 months ago | 112 comments

Cloudflare blog post by Bas Westerbaan announcing a roadmap to achieve full post-quantum security across its services by 2029.