OpenBSD

Signal-cli on OpenBSD 6.8 If anyone wants to receive or send Signal Messenger messages from the terminal, here is a short guide for installing Signal-cli. https://www.unitedbsd.com/d/389-using-signal-cli-on-openbsd-68 #cli #signal

pftable-rs A small Rust library for managing pf tables on OpenBSD. https://github.com/d3npa/pftables-rs #pf #security #network

Security Headlines with Antoine Jacoutot In this episode of Security Headlines, we are joined by one of the minds behind the OpenBSD project, Antoine Jacoutot. He is responsible for porting over 300 packages into OpenBSD. He is also involved in syspatch which handles security binary upgrades for OpenBSD. https://blog.firosolutions.com/2020/12/security-headlines-antoine-jacoutot/ #system

Introducing veb(4) - a new Virtual Ethernet Bridge In this commit, David Gwynne (dlg@) adds a new veb(4) driver to the tree. David's goal is to replace the old bridge(4) driver... https://undeadly.org/cgi?action=article;sid=20210223111210 #network

httpd-plus Add-ons for the OpenBSD httpd(8) web server applicable to the lastest -current branch. https://github.com/mpfr/httpd-plus #httpd

Tor Hidden Services on OpenBSD with HTTPD. The following guide will help you stand up a simple web-site hosted behind a TOR V3 Hidden Service using OpenBSD. https://medium.com/@sarala.saraswati/tor-hidden-services-on-openbsd-with-httpd-52852f49358c #httpd #tor

What security does a default OpenBSD installation offer? In this text I will explain what makes OpenBSD secure by default when you install it. Do not take this for a security analysis, but more like a guide to help you understand what is done by OpenBSD to have a secure environment. The purpose of this text is not to compare OpenBSD to others OS but to say what you can honestly expects from OpenBSD. https://dataswamp.org/~solene/2021-02-14-openbsd-default-security.html #security #system

How To Setup Cloudflare Warp on OpenBSD. Here we look at how to setup Cloudflare Warp on OpenBSD. https://rodneylab.com/how-to-setup-cloudflare-warp-openbsd/ #wireguard #vpn #network

Upcoming OpenBSD 6.9. https://www.openbsd.org/plus.html https://undeadly.org/cgi?action=article;sid=20210213151034 #release

Missing Cron Email When Restarting smtpd I have a cron job that renews an SSL certificate from Let's Encrypt, and then restarts the smtpd daemon so that the new certificate is picked up. This all works fine--as proven by both the presence of a new, valid cert on disk, and smtpd successfully restarting--but cron never sends an email with the output of the job. What gives? https://www.packetmischief.ca/2021/02/03/missing-cron-email-when-restarting-smtpd/ #cron #mail #opensmtpd

Enable multi-factor authentication on OpenBSD In this article I will explain how to add a bit more security to your OpenBSD system by adding a requirement for user logging into the system, locally or by ssh. I will explain how to setup 2 factor authentication (2FA) using TOTP on OpenBSD. https://dataswamp.org/~solene/2021-02-06-openbsd-2fa.html #ssh #totp #security

AAA gaming on OpenBSD with Google Stadia robert@ updated OpenBSD's chromium port to enable Stadia. This significantly expands what is possible in terms of gaming on OpenBSD. In this video, I provide some game footage from OpenBSD with discussion of performance, pros, cons, and the implications for users with different interests in gaming and OpenBSD. https://marc.info/?l=openbsd-ports-cvs&m=161147252332522&w=2 https://www.youtube.com/watch?v=WMTmUfcILso&feature=emb_title #desktop #games

OpenBSD Authentication Bypass | HTTP Header Tampering | Kernel OS Local Root Exploit Summary. User - This machine is running an OpenBSD httpd site which has a login portal with only a sign-in feature working. Upon research, it was found to have a vulnerability that exposes the user’s private key enabling us to login using SSH. Root - A local exploit was found for openbsd; executing which gave me the root! https://medium.com/bugbountywriteup/htb-openkeys-writeup-531264648200 #security

Calibrate your touch-screen on OpenBSD I didn’t expected it but my refurbished T460s came with a touch-screen. It is recognized by default on OpenBSD and not well calibrated as-is. But that’s really simple to solve. https://www.tumfatig.net/20210122/calibrate-your-touch-screen-on-openbsd/ #desktop #system

LWJGL 3 for Minecraft on OpenBSD. This repository is an attempt to make Minecraft >= 1.13 work on OpenBSD. As of this moment, Minecraft 1.16.5 has been tested to work on my T450s OpenBSD 6.8 -stable. https://github.com/octeep/lwjgl3 #desktop #games

Block spammers/abusive IPs with Pf-badhost in OpenBSD. A 'must have' security tool! Pf-badhost is a very practical, robust, stable and lightweight security script for network servers. https://www.undeadly.org/cgi?action=article;sid=20210119113425 #network #security