Lev Vanyan wrote:
20.07.09 14:11, Chris Thompson написав(ла):
On Jul 20 2009, Dmitry Rybin wrote:
Lev Vanyan wrote:
i've stumbled into a question whether it is possible to configure BIND
in a way that it responds to DNS SRV requests with the priority flag
changed depending on the IP address of the requesting party.
For example,
there are two SRV records for _foobar._tcp. One points to 10.0.1.2 and
the other to 10.0.2.2. The requesting party has the ip address
10.0.1.53. I would want to have the first one with the priority higher
than the second, which would allow me to split up the network by zones
each one having their own server with the rest of servers used only in
case of the prevalent zone server failure.
Using two views is right, but the rest of this is very much not so.
No SRV-using application is going to treat the RR order in the answer
as significant. They will use the priority and weight fields as
described in RFC 2782 (or so one hopes). Those should be adjusted
appropriately in the two views.
I don't think that i understand how views are used here. Can you explain
please (preferably accompanied with an example of a probable config)?
"Views" are the BIND way of defining different sets of DNS data to send
based on the source IP address of the requester.
In effect you configure a different set of DNS data to be served for
each ACL match you define in the config. You need to have a different
copy of the zone file for each view you define. Use ACLs to define the
different IP ranges.
--
Dave
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