[Unit]
Description=Checkmk agent controller daemon
After=network.target
Documentation=https://docs.checkmk.com/latest/en/agent_linux.html

[Service]
ExecStart=/usr/bin/cmk-agent-ctl daemon
Type=simple
Restart=on-failure

UMask=0077
User=cmk-agent

# added v184
CapabilityBoundingSet=

# added v187
NoNewPrivileges=yes

# added v211
RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX

# added v214
ProtectHome=yes
ProtectSystem=full

# added v231
RestrictRealtime=yes

# added v232
ProtectControlGroups=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
RemoveIPC=yes

# added v235
LockPersonality=yes

# added v242
RestrictSUIDSGID=yes

# added v244
ProtectKernelLogs=yes

# added v245
ProtectClock=yes

# added v239
PrivateMounts=yes

# added v242
ProtectHostname=yes

[Install]
WantedBy=multi-user.target