72 lines
1.9 KiB
Plaintext
72 lines
1.9 KiB
Plaintext
[Service]
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# The following directives give the synapse service R/W access to:
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# - /run/matrix-synapse
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# - /var/lib/matrix-synapse
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# - /var/log/matrix-synapse
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RuntimeDirectory=matrix-synapse
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StateDirectory=matrix-synapse
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LogsDirectory=matrix-synapse
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######################
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## Security Sandbox ##
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######################
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# Make sure that the service has its own unshared tmpfs at /tmp and that it
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# cannot see or change any real devices
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PrivateTmp=true
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PrivateDevices=true
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# We give no capabilities to a service by default
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CapabilityBoundingSet=
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AmbientCapabilities=
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# Protect the following from modification:
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# - The entire filesystem
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# - sysctl settings and loaded kernel modules
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# - No modifications allowed to Control Groups
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# - Hostname
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# - System Clock
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ProtectSystem=strict
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ProtectKernelTunables=true
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ProtectKernelModules=true
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ProtectControlGroups=true
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ProtectClock=true
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ProtectHostname=true
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# Prevent access to the following:
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# - /home directory
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# - Kernel logs
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ProtectHome=tmpfs
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ProtectKernelLogs=true
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# Make sure that the process can only see PIDs and process details of itself,
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# and the second option disables seeing details of things like system load and
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# I/O etc
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ProtectProc=invisible
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ProcSubset=pid
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# While not needed, we set these options explicitly
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# - This process has been given access to the host network
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# - It can also communicate with any IP Address
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PrivateNetwork=false
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RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX
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IPAddressAllow=any
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# Restrict system calls to a sane bunch
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SystemCallArchitectures=native
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SystemCallFilter=@system-service
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SystemCallFilter=~@privileged @resources @obsolete
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# Misc restrictions
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# - Since the process is a python process it needs to be able to write and
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# execute memory regions, so we set MemoryDenyWriteExecute to false
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RestrictSUIDSGID=true
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RemoveIPC=true
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NoNewPrivileges=true
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RestrictRealtime=true
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RestrictNamespaces=true
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LockPersonality=true
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PrivateUsers=true
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MemoryDenyWriteExecute=false
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