This was fixed in Fedora 18 in 2012, works with SELinux, same version of dhcp-server (4.2.4) as trusty. Maybe a similar method can be used with AppArmor?
https://bugzilla.redhat.com/show_bug.cgi?id=866714 http://pkgs.fedoraproject.org/cgit/dhcp.git/tree/dhcp-paranoia.patch ** Bug watch added: Red Hat Bugzilla #866714 https://bugzilla.redhat.com/show_bug.cgi?id=866714 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to isc-dhcp in Ubuntu. https://bugs.launchpad.net/bugs/1186662 Title: isc-dhcp-server fails to renew lease file Status in isc-dhcp package in Ubuntu: Triaged Status in isc-dhcp source package in Trusty: Confirmed 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/isc-dhcp/+bug/1186662/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
