From 0828f9e95f42829d19b1fbc0df235a27a48eaff7 Mon Sep 17 00:00:00 2001
From: ericgaspar <junk.eg@free.fr>
Date: Sat, 25 Sep 2021 16:58:25 +0200
Subject: [PATCH] Revert "Update systemd.service"

This reverts commit 22e0022b5c23e58dafa5e598868a7c0230aeff97.
---
 conf/systemd.service | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/conf/systemd.service b/conf/systemd.service
index 5cfbedd..faef750 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -13,5 +13,35 @@ RestartSec=5
 StartLimitInterval=60s
 StartLimitBurst=3
 
+# Sandboxing options to harden security
+# Depending on specificities of your service/app, you may need to tweak these 
+# .. but this should be a good baseline
+# Details for these options: https://www.freedesktop.org/software/systemd/man/systemd.exec.html
+NoNewPrivileges=yes
+PrivateTmp=yes
+PrivateDevices=yes
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
+RestrictNamespaces=yes
+RestrictRealtime=yes
+DevicePolicy=closed
+ProtectSystem=full
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+LockPersonality=yes
+SystemCallFilter=~@clock @debug @module @mount @obsolete @reboot @setuid @swap
+
+# Denying access to capabilities that should not be relevant for webapps
+# Doc: https://man7.org/linux/man-pages/man7/capabilities.7.html
+CapabilityBoundingSet=~CAP_RAWIO CAP_MKNOD
+CapabilityBoundingSet=~CAP_AUDIT_CONTROL CAP_AUDIT_READ CAP_AUDIT_WRITE
+CapabilityBoundingSet=~CAP_SYS_BOOT CAP_SYS_TIME CAP_SYS_MODULE CAP_SYS_PACCT
+CapabilityBoundingSet=~CAP_LEASE CAP_LINUX_IMMUTABLE CAP_IPC_LOCK
+CapabilityBoundingSet=~CAP_BLOCK_SUSPEND CAP_WAKE_ALARM
+CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG
+CapabilityBoundingSet=~CAP_MAC_ADMIN CAP_MAC_OVERRIDE
+CapabilityBoundingSet=~CAP_NET_ADMIN CAP_NET_BROADCAST CAP_NET_RAW
+CapabilityBoundingSet=~CAP_SYS_ADMIN CAP_SYS_PTRACE CAP_SYSLOG 
+
 [Install]
 WantedBy=multi-user.target