A year's worth of logs yields entertaining but unsurprising findings about spammer behavior. Returning readers will be almost painfully aware that here at nxdomain.no (also known as bsdly.net) we host and maintain a blocklist, which in turn is the product of traffic that hits our mail system with attempts at…

The OpenBSD packet filter PF was introduced a little more than 20 years ago as part of OpenBSD 3.0. We’ll take a short tour of PF features and tools that I have enjoyed using. NOTE: If you are more of a slides person, the condensate for a SEMIBUG user group…

We have been used to hearing that free and open source software and enterprise environments in Big Business are fundamentally opposed and do not mix well. Is that actually the case, or should we rather explore how business and free software can both benefit going forward? Free and Open Source vs Enterprise and Business: The Bad Old Days Open source, free software…

In which we confront the pundits’ assumption that the embarrasment-based extortion attempts would grow more “sophisticated and credible” over time with real data. It’s a problem that should not exist. It’s a scam that’s so obvious it should not work. Yet we still see a stream of reports about people…

A slightly simpler method is possible, assuming you have an ssh server running on the host where the files are and an ssh client on your Mac: Some traditional Unix editors available on Macs and elsewhere have built in functionality or easily accessible addons remote editing. If you can bear to use Emacs, it usually comes bundled with the Tramp plugin, which does exactly that. This means that on my Mac I an edit remote files by opening with ctrl-x ctrl-x /ssh:hostname.tld:path/to/file.