[Bug 1186662] Re: isc-dhcp-server fails to renew lease file

[eproust]

I use the isc-dhcp as a closed/restricted dhcp using the deny unknown-
clients; directive.

Please could someone confirm that ALL leases should be listed in
/var/lib/dhcp/dhcpd.leases ?

Tomorrow I will test on site my isc-dhcp using :
- the current configuration with clients I will be able to manage,
- an open configuration (removing the unknown-clients; directive.

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https://bugs.launchpad.net/bugs/1186662

Title:
  isc-dhcp-server fails to renew lease file

Status in isc-dhcp package in Ubuntu:
  Fix Released
Status in isc-dhcp source package in Trusty:
  Triaged

Bug description:
  After raring upgrade, the dhcp server fails to renew lease file when
  it tries to (about every hour).

  The syslog says:
  dhcpd: Can't create new lease file: Permission denied

  It looks like a permission problem, because

  # chown -R dhcpd:dhcpd /var/lib/dhcp

  the above command temporarily solves the issue, until dhcpd is
  restarted: at that time, the ownership of the directory and the lease
  file is set back to root:root.

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