[Bug 1545674] [NEW] Unable to disable isc-dhcp-server

[rajivcj]

Public bug reported:

I recently upgraded isc-dhcp-server to version 4.2.4-7ubuntu12.4 in
ubuntu 14.04.3 LTS .

The init script shows it is stopping the service,

root@###### /etc/init.d/isc-dhcp-server stop
 * Stopping ISC DHCP server dhcpd

But the process still runs and is listening on udp port.

netstat -tulpn | grep dhcp
udp        0      0 0.0.0.0:39801           0.0.0.0:*                           20963/dhcpd   
udp        0      0 0.0.0.0:67              0.0.0.0:*                           20963/dhcpd   
udp6       0      0 :::3953                 :::*                                20963/dhcpd   

Even after stopping the service, this server provides ip to new hosts in
the network.

** Affects: isc-dhcp (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1545674

Title:
  Unable to disable isc-dhcp-server

Status in isc-dhcp package in Ubuntu:
  New

Bug description:
  I recently upgraded isc-dhcp-server to version 4.2.4-7ubuntu12.4 in
  ubuntu 14.04.3 LTS .

  The init script shows it is stopping the service,

  root@###### /etc/init.d/isc-dhcp-server stop
   * Stopping ISC DHCP server dhcpd

  But the process still runs and is listening on udp port.

  netstat -tulpn | grep dhcp
  udp        0      0 0.0.0.0:39801           0.0.0.0:*                           20963/dhcpd   
  udp        0      0 0.0.0.0:67              0.0.0.0:*                           20963/dhcpd   
  udp6       0      0 :::3953                 :::*                                20963/dhcpd   

  Even after stopping the service, this server provides ip to new hosts
  in the network.

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