Martijn Gastkemper

Back-end developer @grrr_nl, Shareholder @eResultsBV, Blood donor @sanquin

About me

With this website I test and explorer new technologies. For example: this website is served by AWS CloudFront. Check the response headers who aim to make this website super secure. The headers are added by an AWS Lambda function. To deploy all this I use Terraform. CSP, certificate or other errors in the browser will be send to ReportURI.

Blog posts

From time to time I write a blog post. Mostly on the GRRR tech blog.


In 2017 I wrote a blog post about Tor websites. I setup a Tor server as an example: