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Hi! My name's Julien and you have found my little home page. I have been working as a systems and networks engineer for a little bit now, and this is where I post the occasional write-up.

Email addresses in @jjpk.me?

Latest posts

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July 2025
03
Proxying HTTPS transparently in a network has always been a bit of a pain. Intercepting such traffic and rerouting it tends to go against the initial goals behind TLS. Let's have a look at those issues and introduce tls2httpconnect, a little tool to work around them.
June 2025
11
Introducing Stilgar, a self-hosted user analytics solution inspired by Rudderstack, minus the hefty, hair-pulling Cloud overhead.
July 2022
25
A look at how the set-misc nginx module can be used to sign request headers before forwarding to upstream applications.