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  • Committer: Teddy Hogeborn
  • Date: 2019-07-14 23:39:53 UTC
  • Revision ID: teddy@recompile.se-20190714233953-1zmsd3o062xloazt
Server bug fix: Allow restarts when using port= option

If the Mandos server is configured to use a specific TCP port to
listen to (by using the port= option in mandos.conf or the command
line --port option), that port becomes unusable for a time when the
Mandos server is restarted, making restarts fail.  Avoid this by, if a
port number is specified, using SO_REUSEADDR when binding the
listening TCP socket to a port number.

* mandos (IPv6_TCPServer.server_bind): Set self.allow_reuse_address if
                                       a port number is specified.

Reported-by: Juan Miguel Alcarria Herrera <juanmi@arco2000.es>

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Lines of Context:
mandos.service
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## If the server is configured to not use ZeroConf, these two lines
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## become unnecessary and should be removed or commented out.
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After=avahi-daemon.service
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RequisiteOverridable=avahi-daemon.service
 
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Requisite=avahi-daemon.service
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[Service]
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## If the server's D-Bus interface is disabled, the "BusName" setting
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ProtectSystem=full
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ProtectHome=yes
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CapabilityBoundingSet=CAP_KILL CAP_SETGID CAP_SETUID CAP_DAC_OVERRIDE CAP_NET_RAW
 
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ProtectKernelTunables=yes
 
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ProtectControlGroups=yes
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[Install]
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WantedBy=multi-user.target