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by gilles [@], on the 2019-06-02 14:57:00+02:00

TL;DR:
In this post I explain crudely how ca.c works and changes to OpenSMTPD related to ca.c
I wrote an ECDSA privsep crypto engine
I did some EEG work too

This is the first report

I will now switch to a monthly report of my tech activities …


by gilles [@], on the 2019-06-02 13:42:00+02:00

TL;DR:
Way too many things happened in a six months timeframe.
This post won't need a TL;DR as I'll keep it short.

Generalized anxiety disorder and alexithymia.

Late 2018, I’ve been diagnosed with generalized anxiety disorder and alexithymia a couple weeks apart.

The anxiety disorder …


by gilles [@], on the 2018-12-21 22:36:00+01:00

TL;DR:
regex table lookups were introduced for builtin filters.
After a few weeks of working solely on filters, I wanted to work on something else.
Using the same mechanism, all match criterias using tables can support regex.

K_REGEX lookups

The table mechanism is used within OpenSMTPD to perform all …


by gilles [@], on the 2018-12-19 18:21:00+01:00

TL;DR:
Not this time, pal/gal, I took hours writing this post, you'll take a few minutes reading it all.
Oh, and merry X-mas :-*

A bit of short-sighted history

The filtering feature has been introduced only recently in OpenSMTPD, first presented on this blog a month ago …


by gilles [@], on the 2018-12-06 21:31:00+01:00

TL;DR:
I *FINALFUCKINGLY* commited proc filters support allowing full filtering in OpenSMTPD.
eric@ implemented fc-rDNS lookups.

fc-rDNS

fc-rDNS, or forward-confirmed reverse DNS, consists in performing a reverse DNS lookup to determine the hostname associated to an IP address… then performing a DNS lookup on that hostname to check if …