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[Sylvain Afchain <sylvain.afchain@xxxxxxxxxxxx>]

Public bug reported:

Dhcp port on a external network is not isolated/protected, thus an
external ip is able to request the dnsmasq dns. If there is an resolver
in the dhcp_conf file (dns_dnsmasq_server) an external user is able to
access to this server through the dnsmasq port. This could be a security
issue.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1260731

Title:
  On an external network dhcp create a port which is not isolated

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  Dhcp port on a external network is not isolated/protected, thus an
  external ip is able to request the dnsmasq dns. If there is an
  resolver in the dhcp_conf file (dns_dnsmasq_server) an external user
  is able to access to this server through the dnsmasq port. This could
  be a security issue.

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