From 67a9340a14f5d835d972a72a28702db31086dbbc Mon Sep 17 00:00:00 2001
From: Leonardo Bishop <me@leonardobishop.net>
Date: Sun, 27 Jul 2025 15:13:31 +0100
Subject: Harden systemd service file

---
 dist/scrapbook.service | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'dist')

diff --git a/dist/scrapbook.service b/dist/scrapbook.service
index c12ed45..a4871a9 100644
--- a/dist/scrapbook.service
+++ b/dist/scrapbook.service
@@ -7,5 +7,29 @@ Group=scrapbook
 Restart=always
 ExecStart=/usr/local/bin/scrapbook
 
+CapabilityBoundingSet=CAP_NET_BIND_SERVICE
+AmbientCapabilities=CAP_NET_BIND_SERVICE
+NoNewPrivileges=true
+SystemCallFilter=@system-service
+SystemCallErrorNumber=EPERM
+
+ProtectSystem=strict
+ProtectHome=true
+PrivateTmp=true
+PrivateDevices=true
+TemporaryFileSystem=/var:ro /etc:ro
+BindReadOnlyPaths=/etc/scrapbook
+BindPaths=/var/lib/scrapbook
+NoExecPaths=/
+ExecPaths=/usr/local/bin/scrapbook
+
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+ProtectClock=true
+RestrictRealtime=true
+RestrictSUIDSGID=true
+
 [Install]
 WantedBy=multi-user.target
-- 
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