| Commit message (Collapse) | Author | Age | Files | Lines |
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IPA implements read/write permissions for DNS record or zones.
Provided set of permissions and privileges can, however, only grant
access to the whole DNS tree, which may not be appropriate.
Administrators may miss more fine-grained permissions allowing
them to delegate access per-zone.
Create a new IPA auxiliary objectclass ipaDNSZone allowing
a managedBy attribute for a DNS zone. This attribute will hold
a group DN (in this case a permission) which allows its members
to read or write in a zone. Member permissions in given zone
will only have 2 limitations:
1) Members cannot delete the zone
2) Members cannot edit managedBy attribute
Current DNS deny ACI used to enforce read access is removed so that
DNS privileges are based on allow ACIs only, which is much more
flexible approach as deny ACIs have always precedence and limit
other extensions. Per-zone access is allowed in 3 generic ACIs
placed in cn=dns,$SUFFIX so that no special ACIs has to be added
to DNS zones itselves.
2 new commands have been added which allows an administrator to
create the system permission allowing the per-zone access and
fill a zone's managedBy attribute:
* dnszone-add-permission: Add per-zone permission
* dnszone-remove-permission: Remove per-zone permission
https://fedorahosted.org/freeipa/ticket/2511
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Help should not point to global forwarders but rather to per-zone
conditional forwarders.
https://fedorahosted.org/freeipa/ticket/2717
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For security reasons, dynamic updates are not enabled for new DNS
zones. In order to enable the dynamic zone securely, user needs to
allow dynamic updates and create a zone update policy.
The policy is not easy to construct for regular users, we should
rather fill it by default and let users just switch the policy
on or off.
https://fedorahosted.org/freeipa/ticket/2441
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Precallback validator was failing when a zone-relative name was
used as a NS record (for example record "ns" in a zone "example.com").
However, this is valid in BIND and we should allow it as well.
Imports in dns module had to be switched to absolute imports
(available from Python 2.5) to deal with a conflict of IPA dns
module and dnspython module.
https://fedorahosted.org/freeipa/ticket/2630
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This option will make renaming DNS records much easier.
Add a unit test for this new functionality.
https://fedorahosted.org/freeipa/ticket/2600
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We actually perform two searches in permission-find. The first looks
for matches within the permission object itself. The second looks at
matches in the underlying aci.
We need to break out in two places. The first is if we find enough
matches in the permission itself. The second when we are appending
matches from acis.
The post_callback() definition needed to be modified to return
the truncated value so a plugin author can modify that value.
https://fedorahosted.org/freeipa/ticket/2322
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IPA client and server tool set used authconfig acutil module to
for client DNS operations. This is not optimal DNS interface for
several reasons:
- does not provide native Python object oriented interface
but but rather C-like interface based on functions and
structures which is not easy to use and extend
- acutil is not meant to be used by third parties besides
authconfig and thus can break without notice
Replace the acutil with python-dns package which has a feature rich
interface for dealing with all different aspects of DNS including
DNSSEC. The main target of this patch is to replace all uses of
acutil DNS library with a use python-dns. In most cases, even
though the larger parts of the code are changed, the actual
functionality is changed only in the following cases:
- redundant DNS checks were removed from verify_fqdn function
in installutils to make the whole DNS check simpler and
less error-prone. Logging was improves for the remaining
checks
- improved logging for ipa-client-install DNS discovery
https://fedorahosted.org/freeipa/ticket/2730
https://fedorahosted.org/freeipa/ticket/1837
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dnsrecord_add interactive mode did not work correctly when more
than one DNS record part was entered as command line option. It
asked for remaining options more than once. This patch fixes
this situation and also adds tests to cover this use case
properly.
https://fedorahosted.org/freeipa/ticket/2641
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When dnsrecord-add or dnsrecord-mod commands are used on a root
zone record (it has a special name "@"), a zone name is returned
instead of a special name "@". This confuses DNS part of Web UI
which is then not able to manipulate records in the root zone
when these commands are used.
This patch fixes these 2 commands to return correct value when
a root zone is modified.
https://fedorahosted.org/freeipa/ticket/2627
https://fedorahosted.org/freeipa/ticket/2628
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Replace all occurences of create_default with equivalent default_from
and remove create_default from the framework. This is needed for
proper parameter validation, as there is no way to tell which
parameters to validate prior to calling create_default, because
create_default does not provide information about which parameters are
used for generating the default value.
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The parameters used in default_from of other parameters are now
properly validated before the default_from is called.
ticket 1847
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User was not able to select multiple values in dnsrecord-del
interactive mode.
https://fedorahosted.org/freeipa/ticket/2581
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Global DNS configuration is a nice tool to maintain a common DNS
settings stored in LDAP which are then used for all enrolled IPA
servers. However, the settings stored in LDAP override local
settings in named.conf on DNS servers.
This patch adds more information about global DNS configuration
options in install scripts and DNS module help.
https://fedorahosted.org/freeipa/ticket/2525
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RFC 1912 recommends format YYYYMMDDnn, we used YYYYDDMMnn.
https://fedorahosted.org/freeipa/ticket/2567
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When dnsrecord-del pre_callback detects that the record does
not contain any records, it sets a flag to connection context
and deletes the record object later. However, when more
dnsrecord-del commands share the same context (and this is
the case of "ipa-replica-manage del $MASTER" DNS cleanup), it
may reuse a positive flag from previous dnsrecord-del command
and delete the root DNS zone record and thus effectively delete
the zone.
This patch makes sure that this flag is always initialized to a
sane value in dnsrecord-del pre_callback to make sure that the DNS
zone is not deleted. It also fixes pre_callback function definition
to prevent adding attrs_list to "keys" parameter and thus confuse
developers.
https://fedorahosted.org/freeipa/ticket/2503
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There were cases where DNS plugin was too tolerant in a raw DNS
record option (--<rrtype-rec) processing. It let people specify
DNS record parts options in dnsrecord-mod operations for some
record without specifying the record that should be updated. It
also ignored DNS record parts in dnsrecord-add operation when the
raw DNS record value was already set via --<rrtype>-rec option.
This patch hardens the processing and returns error in both
described cases to make the processes clearer and more robust.
All these use cases were also covered by new unit tests.
https://fedorahosted.org/freeipa/ticket/2551
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DNS plugin contains several RR type record validators run in
pre_callback which cannot be used as standard param validator
as it needs more data and resources that standard validators
provide. However, the precallback validators are not run for
DNS records created by new structured options and thus an invalid
value may slip in.
This patch moves the execution of these precallback validators
_after_ the processing of structured DNS options. It also cleans
them up a little and makes them more robust.
https://fedorahosted.org/freeipa/ticket/2550
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Add a support for new global options in bind-dyndb-ldap, that is:
* idnsforwardpolicy: Default policy for conditional forwarding
* idnsallowsyncptr: Allow globaly PTR synchronization for dynamic
updates
* idnszonerefresh: Default interval between regular polls of the
name server for new DNS zones
https://fedorahosted.org/freeipa/ticket/2439
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Let user enter custom ports for zone conditional forwarders or
global forwarders in dnsconfig. Ports can be specified in
a standard BIND format: IP_ADDRESS [port PORT]
https://fedorahosted.org/freeipa/ticket/2462
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Add 2 new features to DNS record interactive help to increase its
usability and also make its behavior more consistent with standard
parameter interactive help:
1) Ask for missing DNS parts
When a required part of a newly added DNS record was missing, we
just returned a ValidationError. Now, the interactive help rather
asks for all missing required parts of all DNS records that were
being added by its parts.
2) Let user amend invalid part
When an interactive help asked for a DNS record part value and
user enters an invalid value, the entire interactive help exits
with an error. This may upset a user if he already entered several
correct DNS record part values. Now, the help rather tells user
what's wrong and give him an opportunity to amend the value.
https://fedorahosted.org/freeipa/ticket/2386
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DNS Test Day shown that the new RR specific DNS options and the
concepts behind them may not be easily understood. This patch adds
an explanation of the new DNS framework for structured options
to make it easier for the user to understand and use the new
options.
https://fedorahosted.org/freeipa/ticket/2382
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DNS and host plugin does not work well with domain names ending
with dot. host plugin creates a record with two fqdn attributes
when such hostname is created which then has to be manually fixed.
DNS plugin handled zones with and without trailing dot as two
distinct zones, which may lead to issues when both zones are
created.
This patch sanitizes approach to FQDNs in both DNS and host plugin.
Hostnames are now always normalized to the form without trailing
dot as this form did not work before and it would keep hostname
form consistent without changes in our server/client enrollment
process.
As DNS zones always worked in both forms this patch rather makes
sure that the plugin works with both forms of one zone and prevents
creating 2 identical zones with just different format.
https://fedorahosted.org/freeipa/ticket/2420
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DNS plugin did not check DNS zone and DNS record validity and
user was thus able to create domains like "foo bar" or other
invalid DNS labels which would really confuse both user and
bind-dyndb-ldap plugin.
This patch at first consolidates hostname/domain name validators
so that they use common functions and we don't have regular
expressions and other checks defined in several places. These
new cleaned validators are then used for zone/record name
validation.
https://fedorahosted.org/freeipa/ticket/2384
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When an invalid record type is entered during dnsrecord-add
interactive mode, user is provided with a list of allowed values
(record types). However, the provided list contains also
unsupported record types (APL, DHCID, etc.) and any attempt to add
such records would end with error. This patch limits the list
to supported record types only.
https://fedorahosted.org/freeipa/ticket/2378
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https://fedorahosted.org/freeipa/ticket/2379
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Improve AttrValueNotFound exception error message raised in the DNS
module when a deleted (modified) attribute value is not found
in a record. In order to be consistent with previous DNS module
implementation this error message should include an attribute
label instead of an attribute name.
https://fedorahosted.org/freeipa/ticket/2377
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Adding reverse DNS record may be a time consuming task, especially
for IPv6 addresses. Having a way to automatically create a reverse
record when a forward record is created could speed up the process.
host-add command already has this possibility.
This patch takes advantage of the new per-type API and adds new
options for A/AAAA record types: --a-create-reverse and
--aaaa-create-reverse. These commands can be used to automatically
create reverse records for new A/AAAA addresses (both forward
and reverse zones need to be managed by FreeIPA server):
ipa dnsrecord-add example.com foo --a-rec=10.0.0.1 --a-create-reverse
This command would add a new A record to record foo in zone
example.com and a PTR record to appropriate reverse zone for
IP address 10.0.0.1 (for example PTR record 1 in zone
0.0.10.in-addr.arpa. pointing to foo.example.com.).
Few modification were done to new DNS API to support this feature:
- Refactor --ip-address option handling from host-add and place it
to dns.py to be used by both modules
- Add support for "extra" per-type options
- Hide DNS record part options in dnsrecord_find command as they
have no effect for this command
https://fedorahosted.org/freeipa/ticket/2009
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New version of bind-dyndb-ldap plugin have an ability to
automatically update machine reverse address when its forward
address is updated via GSS-TSIG update. The reverse zone must be
managed by FreeIPA as well in order of this feature to work.
As it would not be secure to enable this behaviour for all zones
there is a global attribute that can enable PTR sync for all zones
and also a per-zone attribute that can enable for chosen zones
only.
This patch adds an API for this control.
https://fedorahosted.org/freeipa/ticket/2176
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Add ability configure per-zone forwarder for DNS zones. Any data
in such zone will then be considered as non-authoritative and all
queries will be sent to specified forwarder.
https://fedorahosted.org/freeipa/ticket/2108
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Provide a way to specify BIND allow-query and allow-transfer ACLs
for DNS zones.
IMPORTANT: new bind-dyndb-ldap adds a zone transfer ability. To
avoid zone information leaks to unintended places, allow-transfer
ACL for every zone is by default set to none and has to be
explicitly enabled by an Administrator. This is done both for new
DNS zones and old DNS zones during RPM update via new DNS upgrade
plugin.
https://fedorahosted.org/freeipa/ticket/1211
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Implement API for DNS global options supported in bind-dyndb-ldap.
Currently, global DNS option overrides any relevant option in
named.conf. Thus they are not filled by default they are left as
a possibility for a user.
Bool encoding had to be fixed so that Bool LDAP attribute can also
be deleted and not just set to True or False.
https://fedorahosted.org/freeipa/ticket/2216
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When a new DNS record is being added to DNS zone via command
ipa dnsrecord-add ZONE @
and the target ZONE does not exist it returns ObjectclassViolation
which may confuse users. Make sure that standard DNS Zone NotFound
exception is returned.
https://fedorahosted.org/freeipa/ticket/2270
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Since A6 is an obsolete RR type, no DNS part option was created.
This is, however, not consistent with the rest of per-type API
and may cause problems. This patch adds at least a DNS part for
raw A6 record data so that the record type is treated consistently.
This patch also fixes interactive mode for A6 records. Their data
were not detected correctly as dnsrecord_add didn't expect
a number in DNS part option name.
https://fedorahosted.org/freeipa/ticket/2309
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Add missing SRV record target validator to filter out possible
user errors.
https://fedorahosted.org/freeipa/ticket/2308
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NSEC record needs special treatment as it is not composed from
a fixed set of DNS parts divided by space, but it contains
a multivalued DNS part "types" containing a list of RR types
it covers.
There was already a special method for parsing raw NSEC record
to DNS parts, but the other direction was missing. This patch
adds special NSEC convertor to fix this issue.
https://fedorahosted.org/freeipa/ticket/2307
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TXT record validation fails to parse the record if it contains
spaces. Standard DNS part parser uses a space to divide record
parts. A special parser thus need to be implemented for this RR
type.
https://fedorahosted.org/freeipa/ticket/2306
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All DNS record part options in dnsrecord commands need to be
optional so that all of them are not required in every dnsrecord
command. However, FreeIPA API then does not include an information
which DNS record part options are optional in term of creating
a new DNS record. For example, LOC record option "latitude seconds"
is not needed to add a new LOC record.
This patch adds a flag "dnsrecord_optional" to all such options so
that this information is available for any other UI reading the
FreeIPA API.
https://fedorahosted.org/freeipa/ticket/2208
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Having float type as a base type for floating point parameters in
ipalib introduces several issues, e.g. problem with representation
or value comparison. Python language provides a Decimal type which
help overcome these issues.
This patch replaces a float type and Float parameter with a
decimal.Decimal type in Decimal parameter. A precision attribute
was added to Decimal parameter that can be used to limit a number
of decimal places in parameter representation. This approach fixes
a problem with API.txt validation where comparison of float values
may fail on different architectures due to float representation error.
In order to safely transfer the parameter value over RPC it is
being converted to string which is then converted back to
decimal.Decimal number on a server side.
https://fedorahosted.org/freeipa/ticket/2260
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Having a Parameter maxvalue larger that 2G makes Python convert it
to "long" type instead of "int" type. Our framework than fails to
bootstrap the API when it detects long integer in Parameter
maxvalue.
Remove the clashing maxvalue out entirely as we can't transfer
values larger than 2G anyway (xmlrpc limitation).
https://fedorahosted.org/freeipa/ticket/2082
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Use new structured DNSRecord parameters to generate per-type API
for all supported DNS RR types. This should help significantly
the end-user with manipulating complex DNS record type (MX, LOC,
etc.).
All enhancements are integrated to current DNS record commands:
1) dnsrecord-add
- Records can be either entered as a raw value (e.g. --mx-rec=
"1 srv1.example.com" for MX record) or per-part:
--mx-preference=1 --mx-exchanger=srv1.example.com
- CLI interactive help behavior was changed. It will ask for
a record type and then ask for all DNS record part values
(e.g. MX Preference value, MX Exchanger value).
2) dnsrecord-mod
- This command can now operate in 2 modes. When only a raw DNS
record is entered (e.g. --mx-rec="1 srv1.example.com") it
operates in standard mode and replaces any previous mxrecord
value with the --mx-rec value.
When any structured parameter (e.g. --mx-preference) is passed
it modifies just the specified parts of one mxrecord value
referred by --mx-rec:
--mx-rec="1 srv1.example.com" --mx-preference=2
- New interactive help has been implemented. It will ask for a
record to be modified (in the same manner as dnsrecord-del)
and then let user change DNS record part(s) for chosen
records.
3) All dnsrecord-* commands have now --structured option
- When this option is passed, instead of displaying raw DNS values
all DNS records are parsed and displayed per-part. Example:
$ ipa dnsrecord-show example.com @ --structured
Record name: @
Records:
Record type: MX
Record data: 0 server1.example.com.
MX Preference: 0
MX Exchanger: server1.example.com.
Record type: NS
Record data: ns1.example.com.
NS Hostname: ns1.example.com.
All API changes are compatible with clients without this patch.
https://fedorahosted.org/freeipa/ticket/2082
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Current DNS record processing architecture has many flaws,
including custom execute() methods which does not take advantage
of base LDAP commands or nonstandard and confusing DNS record
option processing.
This patch refactors DNS record processing with the following
improvements:
* Every DNS record has now own Parameter type. Each DNS record
consists from one or more "parts" which are also Parameters.
This architecture will enable much easier implementation of
future per-DNS-type API.
* Validation is now not written as a separate function for
every parameter but is delegated to DNS record parts.
* Normalization is also delegated to DNS record parts.
* Since standard LDAP base commands execute method is now used,
dnsrecord-add and dnsrecord-mod correctly supports --setattr
and --addattr options.
* In order to prevent confusion unsupported DNS record types
are now hidden. They are still present in the plugin so that
old clients receive proper validation error.
The patch also contains several fixes:
* Fix domain-name validation and normalization- allow domain
names that are not fully qualified. For example --cname-rec=bar
is a valid domain-name for bind which will translate it then
as bar.<owning-domain>. This change implies, that fully qualified
domain names must end with '.'.
* Do not let user accidentally remove entire zone with command
"ipa dnsrecord-del @ --del-all".
* Fix --ttl and --class option processing in dnsrecord-add and
dnsrecord-mod.
All API changes are compatible with clients without this patch.
https://fedorahosted.org/freeipa/ticket/2082
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This makes no changes to the functionality in the command-line or
GUI because these all have defaults anyway. This is mostly to show
them properly in the UI and prevent someone from trying to erase the
value (and getting a nasty schema error in response).
https://fedorahosted.org/freeipa/ticket/2015
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enabled for a specific parameter by setting the "csv" option to True.
Remove "List" parameter type and replace all occurences of it with appropriate
multi-valued parameter ("Str" in most cases) with csv enabled.
Add new parameter type "Any", capable of holding values of any type. This is
needed by the "batch" command, as "Str" is not suitable type for the "methods"
parameter.
ticket 2007
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Change our default zone manager to hostmaster@<domain> (as per
RFC 2142 recommendation).
https://fedorahosted.org/freeipa/ticket/1981
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The validator has been improved to support better both SOA format
(e-mail address in a domain name format, without '@') and standard
e-mail format. Allow '\.' character in a SOA format encoding the
standard '.' in the local-part of an e-mail. Normalization code
has been moved to one common function.
https://fedorahosted.org/freeipa/ticket/2053
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Parameters in LDAP objects missed an information if they are real
LDAP attributes or not. Real LDAP attributes are written to
entry_attrs dictionary in plugin callbacks and are being encoded.
This causes issues when plugin callbacks does not expect that
the parameters values are already encoded for submission to LDAP.
This patch introduces a new flag "noattribute" used to mark that
a parameter is not an LDAP attribute and thus should not be encoded
or added to entry_attrs. Param documentation is improved to describe
the meaning of this and other Param flags or attributes.
https://fedorahosted.org/freeipa/ticket/2097
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Implement missing validators for DNS RR types so that we can capture
at least basic user errors. Additionally, a normalizer creating
a fully-qualified domain name has been implemented for several RRs
where name server may mis-interpret the domain name otherwise.
Unit tests exercising these new validators for the most common
RR types have been added. This patch also consolidates hard-coded
values in DNS test to one place.
https://fedorahosted.org/freeipa/ticket/1106
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--allow-dynupdate was implemented as a Flag parameter type, which
is not convenient for LDAP attributes. When a DNS zone with
permitted dynamic updates was modified and the --allow-dynupdate
flag was not set, dynamic updates were turned off.
This patch changes the option type to Bool parameter type which
behaves according to user expectations when modifying the zone.
https://fedorahosted.org/freeipa/ticket/2039
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Do at least a basic validation of DNS zone manager mail address.
Do not require '@' to be in the mail address as the SOA record
stores this value without it and people may be used to configure
it that way. '@' is always removed by the installer/dns plugin before
the DNS zone is created.
https://fedorahosted.org/freeipa/ticket/1966
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https://fedorahosted.org/freeipa/ticket/1982
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