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Update: systemd.service security

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This commit is contained in:
Fabian Wilkens 2021-08-08 10:23:58 +02:00
parent f33df0209a
commit 674729454f
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GPG key ID: 23DFA025BB4E9FAB
1 changed files with 29 additions and 3 deletions
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32
conf/systemd.service
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@ -10,9 +10,35 @@ EnvironmentFile=__FINALPATH__/live/.env
WorkingDirectory=__FINALPATH__/live/
ExecStart=__RBENV_INSTALL_DIR__/versions/__APP__/bin/bundle exec puma -C config/puma.rb -p __PORT__ -e production
StandardOutput=append:/var/log/__APP__/snweb.log
StandardError=append:/var/log/__APP__/snweb.log
SyslogIdentifier=__APP__
StandardError=inherit
Restart=always
# 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
WantedBy=default.target