diff options
Diffstat (limited to 'debian')
| -rw-r--r-- | debian/matrix-synapse.service | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/debian/matrix-synapse.service b/debian/matrix-synapse.service index 553babf549..a23accfb33 100644 --- a/debian/matrix-synapse.service +++ b/debian/matrix-synapse.service @@ -13,5 +13,76 @@ Restart=always RestartSec=3 SyslogIdentifier=matrix-synapse +# The following directives give the synapse service R/W access to: +# - /run/matrix-synapse +# - /var/lib/matrix-synapse +# - /var/log/matrix-synapse + +RuntimeDirectory=matrix-synapse +StateDirectory=matrix-synapse +LogsDirectory=matrix-synapse + +###################### +## Security Sandbox ## +###################### + +# Make sure that the service has its own unshared tmpfs at /tmp and that it +# cannot see or change any real devices +PrivateTmp=true +PrivateDevices=true + +# We give no capabilities to a service by default +CapabilityBoundingSet= +AmbientCapabilities= + +# Protect the following from modification: +# - The entire filesystem +# - sysctl settings and loaded kernel modules +# - No modifications allowed to Control Groups +# - Hostname +# - System Clock +ProtectSystem=strict +ProtectKernelTunables=true +ProtectKernelModules=true +ProtectControlGroups=true +ProtectClock=true +ProtectHostname=true + +# Prevent access to the following: +# - /home directory +# - Kernel logs +ProtectHome=tmpfs +ProtectKernelLogs=true + +# Make sure that the process can only see PIDs and process details of itself, +# and the second option disables seeing details of things like system load and +# I/O etc +ProtectProc=invisible +ProcSubset=pid + +# While not needed, we set these options explicitly +# - This process has been given access to the host network +# - It can also communicate with any IP Address +PrivateNetwork=false +RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX +IPAddressAllow=any + +# Restrict system calls to a sane bunch +SystemCallArchitectures=native +SystemCallFilter=@system-service +SystemCallFilter=~@privileged @resources @obsolete + +# Misc restrictions +# - Since the process is a python process it needs to be able to write and +# execute memory regions, so we set MemoryDenyWriteExecute to false +RestrictSUIDSGID=true +RemoveIPC=true +NoNewPrivileges=true +RestrictRealtime=true +RestrictNamespaces=true +LockPersonality=true +PrivateUsers=true +MemoryDenyWriteExecute=false + [Install] WantedBy=multi-user.target |