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Bug #11224

closed

dhcpd.conf creation - zone declarations

Added by A S almost 4 years ago. Updated almost 4 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Viktor Gurov
Category:
DHCP (IPv4)
Target version:
2.5.0
Start date:
01/06/2021
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.4.5-p1
Affected Architecture:

Description

ARPA zones lack a trailing period. Currently

zone 16.172.in-addr.arpa {

Should be:

zone 16.172.in-addr.arpa. {

ARPA DDNS updates do not appear to be functioning as a result of the trailing period not being present.
services.inc : line 1282

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 #1

Updated by Viktor Gurov almost 4 years ago

from https://www.freebsd.org/cgi/man.cgi?query=dhcpd.conf&apropos=0&sektion=0&manpath=FreeBSD+12.2-RELEASE+and+Ports&arch=default&format=html:

       Note that the zone declarations have to correspond to authority records
       in your name server - in    the above example, there must be an SOA    record
       for "example.org." and for "17.10.10.in-addr.arpa.".  For  example,  if
       there  were  a  subdomain  "foo.example.org"  with no separate SOA, you
       could not write a zone declaration for "foo.example.org."  Also keep in
       mind  that  zone     names in your DHCP configuration should end in    a ".";
       this is the preferred syntax.  If you do    not end    your zone  name     in  a
       ".",  the  DHCP    server will figure it out.  Also note that in the DHCP
       configuration, zone names are not encapsulated in  quotes  where     there
       are in the DNS configuration.

fix:
https://gitlab.netgate.com/pfSense/pfSense/-/merge_requests/90

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 #2

Updated by Jim Pingle almost 4 years ago

  • Status changed from New to Pull Request Review
  • Target version set to 2.5.0

If you do not end your zone name in a ".", the DHCP server will figure it out.

The quoted text seems to suggest it's optional, but recommended. Are we certain adding the trailing '.' fixes the problem stated in the description?

It's good to do either way, but if there is another issue separate from this, it would need its own Redmine entry (After diagnosing it on the forum and so on)

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 #3

Updated by Renato Botelho almost 4 years ago

  • Status changed from Pull Request Review to Feedback
  • Assignee set to Viktor Gurov

PR has been merged. Thanks!

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 #4

Updated by Viktor Gurov almost 4 years ago

  • % Done changed from 0 to 100
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 #5

Updated by Viktor Gurov almost 4 years ago

  • Status changed from Feedback to Resolved

/var/dhcpd/etc/dhcpd.conf:

zone topdhcp.int. {
    primary 192.168.88.89;
    secondary 192.168.88.81;
    key "topkey1";
}
zone 88.168.192.in-addr.arpa. {
    primary 192.168.88.89;
    secondary 192.168.88.81;
    key "topkey1";
}

works as expected
2.5.0.a.20210201.2350

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