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Harden the systemd service
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@ -6,6 +6,22 @@ After=network.target
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EnvironmentFile=/etc/conf.d/sslh
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ExecStart=/usr/bin/sslh --foreground $DAEMON_OPTS
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KillMode=process
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#Hardening
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PrivateTmp=true
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CapabilityBoundingSet=CAP_SETGID CAP_SETUID CAP_NET_BIND_SERVICE
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AmbientCapabilities=CAP_NET_BIND_SERVICE
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SecureBits=noroot-locked
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ProtectSystem=strict
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ProtectHome=true
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ProtectKernelModules=true
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ProtectKernelTunables=true
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ProtectControlGroups=true
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MountFlags=private
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NoNewPrivileges=true
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PrivateDevices=true
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RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX
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MemoryDenyWriteExecute=true
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DynamicUser=true
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[Install]
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WantedBy=multi-user.target
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