Exploring a clock synchronization problem
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Built on Shards of Silicon: Robert Alexander's Tech Blog
A personal blog featuring nuanced deep dives into #Tech, #Security, and the #Cloud
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Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
This blog post tells the time
Using Cloudflare CDN to synchronize a clock
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
GUID reuse in WordPress
Surprising collisions of WordPress post GUIDs
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Uptime of GitHub Pages alternatives
Measuring service availability of static website hosting
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
RSS feed discovery with FeedLand
FeedLand enables social blog discovery
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Does the Internet know what time is it?
Measuring out-of-sync clocks on the Internet
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Discovering the indieweb with calm tech
Blog Quest and StreetPass help you discover the independent web
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Oops, my UUIDs collided!
Why UUID collisions happen in practice
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
The UUID collection
Publishing my first collection of blog posts
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Why UUIDs won't protect your secrets
UUIDs and Indirect Object Reference
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
The most popular email providers
Measuring the popularity of email hosting providers
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Choosing Vim over VSCode
Why I keep coming back to Vim
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
MTA-STS Preload
Tracking domains that support MTA-STS
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
The next stage of getlocalcert.net
Keeping the project going
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Is email confidential in transit yet?
Measuring vulnerable SMTP configurations and defenses
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
TLDs with novel behavior
Thoughts on .internal and gTLDs
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
SMTP Downgrade Attacks and MTA-STS
Running a bunch of mail servers to audit email security
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
One year of getlocalcert.net
Reflecting on a year of running a free domain registration service
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Moving to Hugo
My blog now uses the Hugo blog framework
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
RSS Categories - In Practice
How do RSS Categories work in practice?
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
RSS blogrolls are a federated social network
Could a modern look at RSS feeds and blogrolls help the small-web much like the fediverse is revitalizing community in social networks?
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Designing Personal Software
Why we need more to-do apps
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Certificate Authority Trustworthiness
Challenges facing the CAs and why we still trust them
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
HSTS preload adoption and challenges
A review of HSTS and HSTS preload list growth
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
A mental model for on-demand pricing
A model for thinking about AWS EC2 on-demand and reserved pricing
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Improving HTTPS on private networks
Launching the getlocalcert.net service
Built on Shards of Silicon: Robert Alexander's Tech Blog
• Robert Alexander
Name "Constrain't" on Chrome
When Name Constraints ain’t enforced