[Unit]
Description=Endlessh SSH Tarpit
Documentation=man:endlessh(1)
Requires=network-online.target

[Service]
Type=simple
Restart=always
RestartSec=30sec
ExecStart=/usr/local/bin/endlessh
KillSignal=SIGTERM

# Stop trying to restart the service if it restarts too many times in a row
StartLimitInterval=5min
StartLimitBurst=4

StandardOutput=journal
StandardError=journal
StandardInput=null

PrivateTmp=true
PrivateDevices=true
ProtectSystem=full
ProtectHome=true
InaccessiblePaths=/run /var

## If you want Endlessh to bind on ports < 1024
## 1) run: 
##     setcap 'cap_net_bind_service=+ep' /usr/local/bin/endlessh
## 2) uncomment following line
#AmbientCapabilities=CAP_NET_BIND_SERVICE
## 3) comment following line
PrivateUsers=true

NoNewPrivileges=true
ConfigurationDirectory=endlessh
ProtectKernelTunables=true
ProtectKernelModules=true
ProtectControlGroups=true
MemoryDenyWriteExecute=true

[Install]
WantedBy=multi-user.target