From d8563be38b2fa047725ee85c7330bdf775101cdd Mon Sep 17 00:00:00 2001
From: Paul <myfirstnameispaul@users.noreply.github.com>
Date: Sun, 22 Dec 2024 04:27:36 -0800
Subject: [PATCH] Disable MOTD advertisements (#2457)

Disables MOTD advertisements which use a script to send server information in `wget` headers to Canonical.
---
 setup/system.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/setup/system.sh b/setup/system.sh
index 7467a72c..dd366401 100755
--- a/setup/system.sh
+++ b/setup/system.sh
@@ -83,6 +83,13 @@ fi
 # (See https://discourse.mailinabox.email/t/journalctl-reclaim-space-on-small-mailinabox/6728/11.)
 tools/editconf.py /etc/systemd/journald.conf MaxRetentionSec=10day
 
+# ### Improve server privacy
+
+# Disable MOTD adverts to prevent revealing server information in MOTD request headers
+# See https://ma.ttias.be/what-exactly-being-sent-ubuntu-motd/
+tools/editconf.py /etc/default/motd-news ENABLED=0
+rm -f /var/cache/motd-news
+
 # ### Add PPAs.
 
 # We install some non-standard Ubuntu packages maintained by other