Articles and News

Email Authenticity 101: DKIM, DMARC, and SPF

In this post, the author gives a short introduction to modern email domain security concepts.

https://www.alexblackie.com/articles/email-authenticity-dkim-spf-dmarc/

#email-security #dkim #dmarc #spf

20 Years of Haiku

The Haiku Project, originally named OpenBeOS, was founded in August 2001.

https://www.haiku-os.org/news/2021-08-18_20_years_of_haiku/

#haiku #operating-system #beos

Stop Using Zoom, Hamburg’s DPA Warns State Government

»Hamburg’s state government has been formally warned against using Zoom over data protection concerns.«

https://techcrunch.com/2021/08/17/stop-using-zoom-hamburgs-dpa-warns-state-government/

#zoom #hamburg #gdpr

Twitter Has Introduced ROA

This post introduces Route Origin Authorization (ROA) and the implication of its usage for Twitter.

https://blog.apnic.net/2021/08/18/twitter-has-introduced-roa/

#route-origin-authorization #rpki #twitter

What Domain Name to Use for Your Home Network

RFC 8375 defines the special-purpose TLD home.arpa.

https://www.ctrl.blog/entry/homenet-domain-name.html

#rfc #network #home-network

Explore New Features in SystemTap 4.5.0

This article covers new features of the SystemTap version that will be available in RHEL 9.

https://developers.redhat.com/articles/2021/08/16/explore-new-features-systemtap-450

#systmemtap #ebpf #tracing

How Does FaceTime Work?

Based on facts and assumptions, this article summarizes how Apple’s proprietary videotelephony protocol might work.

https://matduggan.com/how-does-facetime-work/

#facetime #apple #xmpp

An Opinionated Guide to xargs

https://www.oilshell.org/blog/2021/08/xargs.html

#xargs #command-line

Projects and Releases

OpenSSH 8.7

Besides other improvements and bug fixes, this release adds SFTP support for SCP as an eventual replacement to the SCP/RCP protocol and stricter configuration file parser for ssh and sshd.

https://www.openssh.com/txt/release-8.7

#type:release #openssh

git 2.33

https://lore.kernel.org/git/xmqq1r6touqi.fsf@gitster.g/

#git #type:release

nftables 1.0.0

https://marc.info/?l=netfilter&m=162939459210790&w=2

#type:release #netfilter #nftables

ntopng 5.0

https://www.ntop.org/announce/ntopng-5-0-is-out-modern-traffic-monitoring-for-aiops-and-cybersecurity/

#monitoring #ntopng #type:release

Raspberry Pi 4 gets IEEE1588 Precision Time Protocol (PTP) with Real-Time HAT

https://www.cnx-software.com/2021/08/17/raspberry-pi-4-ieee1588-precision-time-protocol-ptp-with-real-time-hat/

#time #precision-time-protocol #raspberry-pi

pam-duress

The PAM Duress is a module designed to allow users to generate ‘duress’ passwords that will execute arbitrary scripts when used in place of their regular password.

https://github.com/nuvious/pam-duress

WinFsp

»WinFsp is a set of software components for Windows computers that allows the creation of user mode file systems. In this sense it is similar to FUSE (Filesystem in Userspace), which provides the same functionality on UNIX-like computers.«

https://github.com/billziss-gh/winfsp

#fuse #windows #file-system

Barrier

»Barrier is software that mimics the functionality of a KVM switch«

https://github.com/debauchee/barrier

#kvm-switch

Here’s another free CA as an alternative to Let’s Encrypt!

https://scotthelme.co.uk/heres-another-free-ca-as-an-alternative-to-lets-encrypt/

#acme #lets-encrypt #certificate-authority #tls #ssl

Transport Layer Security (TLS) Parameters

https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml

#tls #ssl

HTML over DNS: Serving Blog Content Over DNS

https://jacobkiers.net/hod/

#html #dns

Linux Kernel Defence Map

https://github.com/a13xp0p0v/linux-kernel-defence-map

#linux-kernel #linux-kernel #security

:wq