[Verification Xenial] {Before upgrade} === ii isc-dhcp-client 4.2.4-7ubuntu12.10 amd64 ISC DHCP client ii isc-dhcp-client-noddns 4.2.4-7ubuntu12.10 amd64 Dynamic DNS (DDNS) disabled DHCP client ii isc-dhcp-common 4.2.4-7ubuntu12.10 amd64 common files used by all the isc-dhcp* packages
# netstat -anputa | grep -i dhclient udp 0 0 0.0.0.0:68 0.0.0.0:* 1686/dhclient # ls -altr /sbin/dhclient* -rwxr-xr-x 1 root root 7545313 May 25 12:30 /sbin/dhclient -rwxr-xr-x 1 root root 15286 May 25 12:32 /sbin/dhclient-script -rwxr-xr-x 1 root root 1668160 May 25 12:32 /sbin/dhclient-ddns # more /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu 14.04.5 LTS" {After upgrade} === ii isc-dhcp-client 4.3.3-5ubuntu12.7 amd64 DHCP client for automatically obtaining an IP address # netstat -anputa | grep -i dhclient udp 0 0 0.0.0.0:68 0.0.0.0:* 150/dhclient ^^ expected result since Xenial does the opposite : isc-dhcp-client : with random extra ports isc-dhcp-client-ddns : with random extra ports Basically, Xenial users has to install "isc-dhcp-client-ddns" if they want the DDNS functionality. # dist-upgrade/history.log Remove: libxapian22:amd64 (1.2.16-2ubuntu1), ==> isc-dhcp-client-noddns:amd64 (4.2.4-7ubuntu12.10) <==, systemd-services:amd64 (204-5ubuntu20.24), python3.4:amd64 (3.4.3-1ubuntu1~14.04.5), python3.4-minimal:amd64 (3.4.3-1ubuntu1~14.04.5), libpython3.4-stdlib:amd64 (3.4.3-1ubuntu1~14.04.5), libpython3.4-minimal:amd64 (3.4.3-1ubuntu1~14.04.5), perl-modules:amd64 (5.18.2-2ubuntu1.1), aptitude:amd64 (0.6.8.2-1ubuntu4), libasprintf0c2:amd64 (0.18.3.1-1ubuntu3) End-Date: 2017-05-29 11:00:57 Package has been removed : rc isc-dhcp-client-noddns 4.2.4-7ubuntu12.10 amd64 Dynamic DNS (DDNS) disabled DHCP client The upgrade does remove if installed "isc-dhcp-client-noddns" and replaces it by "isc-dhcp-client". ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- 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