Re: [Freeipa-users] bind-dyndb-ldap and ddns updates from dhcp

2015-01-05 Thread Petr Spacek
On 31.12.2014 22:40, Jan Pazdziora wrote: On Wed, Dec 31, 2014 at 10:34:37PM +0100, Jan Pazdziora wrote: endpoints, or their users, should not be trusted to make updates to DNS zones. TSIG signed updates from servers are still preferred over authenticated updates from endpoints or users.

Re: [Freeipa-users] bind-dyndb-ldap and ddns updates from dhcp

2014-12-31 Thread Jan Pazdziora
On Mon, Dec 29, 2014 at 07:12:26PM -0500, Brendan Kearney wrote: On Mon, 2014-12-29 at 16:53 -0500, Dmitri Pal wrote: bind-dyndb-ldap isa back end driver for BIND to get data from an LDAP storage. The updates are done by BIND. The IPA BIND accepts kerberos based updates.

Re: [Freeipa-users] bind-dyndb-ldap and ddns updates from dhcp

2014-12-31 Thread Brendan Kearney
On Wed, 2014-12-31 at 19:06 +0100, Jan Pazdziora wrote: On Mon, Dec 29, 2014 at 07:12:26PM -0500, Brendan Kearney wrote: On Mon, 2014-12-29 at 16:53 -0500, Dmitri Pal wrote: bind-dyndb-ldap isa back end driver for BIND to get data from an LDAP storage. The updates are done by BIND.

Re: [Freeipa-users] bind-dyndb-ldap and ddns updates from dhcp

2014-12-31 Thread Loris Santamaria
El mié, 31-12-2014 a las 13:59 -0500, Brendan Kearney escribió: regardless of authentication, client updates to DNS zones are still a risk and a rogue app or user can still perform direct updates to zones, leading to impersonation/interception of services, denial of service attacks and more.

Re: [Freeipa-users] bind-dyndb-ldap and ddns updates from dhcp

2014-12-31 Thread Jan Pazdziora
On Wed, Dec 31, 2014 at 01:59:32PM -0500, Brendan Kearney wrote: i have played with nsupdate, and it does look like updates will be allowed if i remove the access restriction, but i am losing the authenticity of the update, since the TSIG shared secret signs the update. The goal is not to

Re: [Freeipa-users] bind-dyndb-ldap and ddns updates from dhcp

2014-12-31 Thread Jan Pazdziora
On Wed, Dec 31, 2014 at 10:34:37PM +0100, Jan Pazdziora wrote: endpoints, or their users, should not be trusted to make updates to DNS zones. TSIG signed updates from servers are still preferred over authenticated updates from endpoints or users. Server has identity just like service,

Re: [Freeipa-users] bind-dyndb-ldap and ddns updates from dhcp

2014-12-29 Thread Dmitri Pal
On 12/29/2014 04:47 PM, Brendan Kearney wrote: where can i find howto info around setting up bind-dyndb-ldap to accept ddns updates from dhcp? usually, i have a shared key defined in dns and dhcp, and the updates are authenticated. where are the docs for setting this up in bind-dyndb-ldap? I