I worked on a patch that so far seems to work well. I still need to arrange a few things, but I should be able to submit a patch soon.
The patch will create a additional binary package. isc-dhcp-client pkg : dhclient with DDNS functionality disabled (no random extra ports) isc-dhcp-client-ddns : dhclient with DDNS functionality enabled (with random extra ports) Eric ** Changed in: isc-dhcp (Ubuntu Trusty) Assignee: (unassigned) => Eric Desrochers (slashd) ** Changed in: isc-dhcp (Ubuntu Trusty) Importance: Undecided => Medium ** Changed in: isc-dhcp (Ubuntu Trusty) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1176046 Title: isc-dhcp dhclient listens on extra random ports To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/isc-dhcp/+bug/1176046/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs