KDE Plasma 5.20 arrives in Slackware-current

Slackers rejoice! The dark ages have finally come to an end. Our benevolent dictator for life has spoken, and KDE Plasma 5 has arrived in /testing on Slackware-current. Patrick Volkerding announced the update with his usual lack of fanfare on the Slackware-current changelog:

A Denial-of-Service (DoS) attack from Facebook?

The other day I got an automated alert from our managed WordPress hosting service, notifying me of an issue with resource exhaustion for a virtual site. Upon closer inspection, I discovered that the adversary was not your everyday aimless botnet, but something darker, and far more sinister.

.CYOU TLD - We See You Too Spammer

ShortDot SA, the top-level domain registry that brought us the infamous .ICU TLD is back with yet another useless domain extension. Say hello to .CYOU TLD, the “savvy and uber-cool domain”, at least according to ShortDot.

Your fortune awaits on Slackware Linux

Enjoying a lazy Sunday morning, I decided to boot up my Slackware-current laptop to install yet another batch of kernel updates. To repay my kindness, Slackware gave me what I can only describe as a malicious jumpscare that nearly resulted in a heart attack.

Did Microsoft just roll out MTA-STS and TLS-RPT?

A few months ago I was complaining about the lack of MTA-STS adaptation with major email service providers besides Google. Recently though, I’ve noticed a new player connecting to mta-sts.paranoidpenguin.net to retrieve my MTA-STS policy.

Outlook.com is no longer blocking my mail server

I’ve been getting quite a few emails from people wanting to know if I’ve made any progress on the deliverability issues I was facing when delivering email to outlook.com. As good fortune would have it, Microsoft accepted my request to delist my mail server from outlook.com’s internal IP blocklist.

Plausible Analytics review – Browser fingerprinting and CNAME cloaking

For the last few weeks, my feeds and federated timelines have been filled with absolutely brilliant marketing campaigns for Plausible Analytics, the new open-source privacy-focused website analytics tool. Plausible Analytics has enjoyed exponential growth and is frequently recommended by privacy-conscious voices in the FOSS community.

Self-hosting security challenge

If you’re a geek like me then you probably enjoy spending your time hardening and optimizing your servers to support modern security standards and policies. If so, I’d like to share my favorite online resources and encourage you to take up the challenge of beating paranoidpenguin.net.

Outlook.com is blocking my mail server

Recently, I was trying to respond to an email delivered to me from an outlook.com sender address. Unfortunately, my response immediately bounced back, and I was informed that my mail server’s IP address had been added to outlook.com’s internal blocklist.