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[Unit]
Description=Electrum Server in Rust
RequiresMountsFor=/var/lib/electrs
Wants=network.target
After=network.target
After=bitcoind.service
[Service]
ExecStart=/usr/bin/electrs --db-dir /var/lib/electrs --daemon-dir /var/lib/bitcoind
# Process management
####################
Type=simple
KillMode=process
Restart=on-failure
TimeoutStartSec=infinity
TimeoutStopSec=600
# Directory creation and permissions
####################################
# Run as electrs user
User=electrs
Group=electrs
# /etc/electrs
ConfigurationDirectory=electrs
ConfigurationDirectoryMode=0700
# /var/lib/electrs
StateDirectory=electrs
StateDirectoryMode=0700
# Hardening measures
####################
# Provide a private /tmp and /var/tmp.
PrivateTmp=true
# Mount /usr, /boot/ and /etc read-only for the process.
ProtectSystem=full
# Deny access to /home, /root and /run/user
ProtectHome=true
# Disallow the process and all of its children to gain
# new privileges through execve().
NoNewPrivileges=true
# Use a new /dev namespace only populated with API pseudo devices
# such as /dev/null, /dev/zero and /dev/random.
PrivateDevices=true
# Deny the creation of writable and executable memory mappings.
MemoryDenyWriteExecute=true
# Restrict ABIs to help ensure MemoryDenyWriteExecute is enforced
SystemCallArchitectures=native
[Install]
WantedBy=multi-user.target
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