[tor-bugs] #20930 [Core Tor/Tor]: Use new systemd hardening options

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#20930: Use new systemd hardening options
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 Reporter:  serafean            |          Owner:  (none)
     Type:  enhancement         |         Status:  new
 Priority:  Medium              |      Milestone:  Tor: unspecified
Component:  Core Tor/Tor        |        Version:
 Severity:  Normal              |     Resolution:
 Keywords:  systemd, packaging  |  Actual Points:
Parent ID:                      |         Points:
 Reviewer:                      |        Sponsor:
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Comment (by bundesgebaermutter):

 My relay also has syscall filtering applied. Works fine with 0.3.2 and
 high ports.

 [Service]
 SystemCallFilter=~@clock @cpu-emulation @keyring @module @mount
 @privileged @raw-io

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20930#comment:8>
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