Buried in here is mention of disconnect.me, which seems to have separate blocklists for ads, tracking, and malware.

Found directions on running this on OpenBSD. I think I can substitute curl for fetch, rather than ftp.

One of the sources it uses is FadeMind's hosts.extras, which sources a lot of third party host lists, some of which are very focused.

compatible with Nextcloud Bookmarks app

The Nextcloud App Store - Upload your apps and install new apps onto your Nextcloud

Describes the best practices, location, values, and security considerations for the Interactive logon Do not display last user name security policy setting.

Kajabi Storefront - Click here for more information. Find everything you need to know about Kajabi here.

This document describes how to configure an Internet Key Exchange version 1 (IKEv1) IPsec site-to-site tunnel between a Cisco 5515-X Series Adaptive

It looks like they can be reset, but it may depend on the device.

IPFW is the built-in firewall in FreeBSD. Powerful and easy to configure this article is a starting point into managing it.

[I tried this cookbook as-is, and it blocked everything on the first try, because I left out the firewall_type parameter. It didn't seem like "workstation" makes sense for a server, but the only other one that applies rules only to the current node is "client" which sounds even less like a server.]

Ads can be annoying in a lot of cases. If you're grown frustrated by ads on the Internet, here's how you can block ads on Android.

Ad blocking and filtering for multiple platforms

Also possible to use them as a filtered DNS provider

IPBan: https://www.digitalruby.com/ipban/ [Windows/Linux only]
SSHguard: http://www.sshguard.net

Sentry? https://github.com/msimerson/sentry/ [Perl, not sure how automated it is]

Tips, Tools and How-tos for Safer Online Communications