[Unit]
Description=Icecast Network Audio Streaming Server
After=network.target

[Service]
CapabilityBoundingSet=~CAP_SETUID CAP_SETGID CAP_SETPCAP CAP_SYS_ADMIN CAP_SYS_PTRACE CAP_KILL CAP_SYS_BOOT CAP_LINUX_IMMUTABLE CAP_CHOWN CAP_FSETID CAP_SETFCAP CAP_FOWNER CAP_IPC_OWNER CAP_NET_ADMIN CAP_IPC_LOCK CAP_SYS_CHROOT CAP_BLOCK_SUSPEND CAP_LEASE CAP_SYS_PACCT CAP_SYS_TTY_CONFIG CAP_WAKE_ALARM CAP_SYS_NICE CAP_SYS_RESOURCE CAP_DAC_OVERRIDE CAP_DAC_READ_SEARCH CAP_AUDIT_CONTROL CAP_AUDIT_READ CAP_AUDIT_WRITE CAP_MAC_ADMIN CAP_MAC_OVERRIDE CAP_NET_BIND_SERVICE CAP_NET_BROADCAST CAP_NET_RAW
ExecStart=/usr/bin/icecast -c /etc/icecast.xml
ExecReload=/usr/bin/kill -HUP $MAINPID
Group=icecast
IPAccounting=yes
LogsDirectory=icecast
LockPersonality=true
MemoryDenyWriteExecute=true
NoNewPrivileges=true
PrivateDevices=true
PrivateTmp=true
PrivateUsers=true
ProtectClock=true
ProtectControlGroups=true
ProtectHome=true
ProtectHostname=true
ProtectKernelLogs=true
ProtectKernelModules=true
ProtectKernelTunables=true
ProtectSystem=strict
ReadOnlyPaths=/etc/icecast.xml
RemoveIPC=true
RestrictAddressFamilies=~AF_AX25 AF_IPX AF_APPLETALK AF_X25 AF_DECnet AF_KEY AF_NETLINK AF_PACKET AF_RDS AF_PPPOX AF_LLC AF_IB AF_MPLS AF_CAN AF_TIPC AF_BLUETOOTH AF_ALG AF_VSOCK AF_KCM AF_XDP AF_UNIX
RestrictAddressFamilies=AF_INET AF_INET6
RestrictNamespaces=true
RestrictRealtime=true
RestrictSUIDSGID=true
RuntimeDirectory=icecast
StateDirectory=icecast
SystemCallArchitectures=native
SystemCallFilter=@system-service
SystemCallFilter=~@resources @privileged
Type=exec
UMask=177
User=icecast

[Install]
WantedBy=multi-user.target