From 695058e8797a44008b55c6f8d76e49a7085d7d63 Mon Sep 17 00:00:00 2001 From: Tommy Date: Fri, 27 Dec 2024 23:23:01 -0700 Subject: [PATCH] Add note for secure Matrix setup Signed-off-by: Tommy --- Quality of Life.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Quality of Life.md b/Quality of Life.md index 30ed0e9..2098ad1 100644 --- a/Quality of Life.md +++ b/Quality of Life.md @@ -44,6 +44,15 @@ Bitwarden Flatpak sometimes get stuck at launch. Copy `~/.local/share/flatpak/exports/share/applications/com.bitwarden.desktop.desktop` to `~/.local/share/applications/com.bitwarden.desktop.desktop` and add `--disable-gpu` at the end of the `Exec` line to fix it. +### Matrix + +For the best security with Matrix: +- Setup a TemplateVM with Debian and the official Element repo (there is no official rpm repo at the time of this writing) +- Add the IP address and hostname of the Matrix homeserver in /etc/hosts +- Make an AppVM based on the template +- Use the UI and limit the connection of the AppVM to just the Matrix homeserver +- In `dom0`, use `qvm-firewall del --rule-no ` to delete rules allowing ICMP and DNS to prevent exfiltration attacks. + ### Video player In my experience, VLC works best. Changing video output to X11 video output (XCB) reduces CPU usage by 10% on my Thinkpad P53. See [this link](https://forum.qubes-os.org/t/vlc-video-playback-cpu-usage-improvement/23363).