[Samba] getting no SRV record
Bob Wooden
bob at donelsontrophy.com
Thu Jun 11 13:04:55 UTC 2020
See reply below.
(Sent from home location.)
Bob Wooden
On 6/11/20 7:29 AM, Rowland penny via samba wrote:
> If you had a previous AD domain, you must have had a FQDN, but having
> said that, it does look like
In my previous AD domain, my FQDN was a non-registered (fake) domain
that has worked for years. For example "fakedomainname.intials", like
"domain.dt". This started, back in the day when we were suspose to stop
using *.local (like MS always suggested.) It worked so I never looked back.
More below.
> you have a configuration error somewhere, so can you post the contents
> of the following files:
>
> /etc/hostname
>
> /etc/hosts
>
> /etc/resolv.conf
>
> /etc/krb5.conf
>
> /etc/samba/smb.conf
>
> /etc/bind/named.conf
>
> /etc/bind/named.conf.options
>
> /etc/bind/named.conf.local
>
> /var/lib/samba/bind-dns/named.conf
>
> If you must sanitise them, then do it sanely, use 'example.com' for
> the domain name and use the case you find in the file ;-)
>
> Rowland
Here are your answers. Please notice the
"/var/lib/samba/bind-dns/named.conf" bolded differences at the end.
root at dc01:~# cat /etc/hostname
dc01
root at dc01:~# cat /etc/hosts
127.0.0.1 localhost
192.168.16.50 dc01.example.com dc01
# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
root at dc01:~# cat /etc/resolv.conf
nameserver 192.168.16.50
search example.com
root at dc01:~# cat /etc/krb5.conf
[libdefaults]
default_realm = EXAMPLE.COM
# The following krb5.conf variables are only for MIT Kerberos.
kdc_timesync = 1
ccache_type = 4
forwardable = true
proxiable = true
# The following encryption type specification will be used by MIT Kerberos
# if uncommented. In general, the defaults in the MIT Kerberos code are
# correct and overriding these specifications only serves to disable new
# encryption types as they are added, creating interoperability problems.
#
# The only time when you might need to uncomment these lines and change
# the enctypes is if you have local software that will break on ticket
# caches containing ticket encryption types it doesn't know about (such as
# old versions of Sun Java).
# default_tgs_enctypes = des3-hmac-sha1
# default_tkt_enctypes = des3-hmac-sha1
# permitted_enctypes = des3-hmac-sha1
# The following libdefaults parameters are only for Heimdal Kerberos.
fcc-mit-ticketflags = true
[realms]
EXAMPLE.COM = {
kdc = dc01
admin_server = dc01
}
ATHENA.MIT.EDU = {
kdc = kerberos.mit.edu
kdc = kerberos-1.mit.edu
kdc = kerberos-2.mit.edu:88
admin_server = kerberos.mit.edu
default_domain = mit.edu
}
ZONE.MIT.EDU = {
kdc = casio.mit.edu
kdc = seiko.mit.edu
admin_server = casio.mit.edu
}
CSAIL.MIT.EDU = {
admin_server = kerberos.csail.mit.edu
default_domain = csail.mit.edu
}
IHTFP.ORG = {
kdc = kerberos.ihtfp.org
admin_server = kerberos.ihtfp.org
}
1TS.ORG = {
kdc = kerberos.1ts.org
admin_server = kerberos.1ts.org
}
ANDREW.CMU.EDU = {
admin_server = kerberos.andrew.cmu.edu
default_domain = andrew.cmu.edu
}
CS.CMU.EDU = {
kdc = kerberos-1.srv.cs.cmu.edu
kdc = kerberos-2.srv.cs.cmu.edu
kdc = kerberos-3.srv.cs.cmu.edu
admin_server = kerberos.cs.cmu.edu
}
DEMENTIA.ORG = {
kdc = kerberos.dementix.org
kdc = kerberos2.dementix.org
admin_server = kerberos.dementix.org
}
stanford.edu = {
kdc = krb5auth1.stanford.edu
kdc = krb5auth2.stanford.edu
kdc = krb5auth3.stanford.edu
master_kdc = krb5auth1.stanford.edu
admin_server = krb5-admin.stanford.edu
default_domain = stanford.edu
}
UTORONTO.CA = {
kdc = kerberos1.utoronto.ca
kdc = kerberos2.utoronto.ca
kdc = kerberos3.utoronto.ca
admin_server = kerberos1.utoronto.ca
default_domain = utoronto.ca
}
[domain_realm]
.mit.edu = ATHENA.MIT.EDU
mit.edu = ATHENA.MIT.EDU
.media.mit.edu = MEDIA-LAB.MIT.EDU
media.mit.edu = MEDIA-LAB.MIT.EDU
.csail.mit.edu = CSAIL.MIT.EDU
csail.mit.edu = CSAIL.MIT.EDU
.whoi.edu = ATHENA.MIT.EDU
whoi.edu = ATHENA.MIT.EDU
.stanford.edu = stanford.edu
.slac.stanford.edu = SLAC.STANFORD.EDU
.toronto.edu = UTORONTO.CA
.utoronto.ca = UTORONTO.CA
root at dc01:~# cat /etc/samba/smb.conf
# Global parameters
[global]
netbios name = DC01
realm = EXAMPLE.COM
server role = active directory domain controller
server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, drepl,
winbindd, ntp_signd, kcc, dnsupdate
workgroup = WKDOM
idmap_ldb:use rfc2307 = yes
[sysvol]
path = /usr/local/samba/var/locks/sysvol
read only = No
[netlogon]
path = /usr/local/samba/var/locks/sysvol/example.com/scripts
read only = No
root at dc01:~# cat /etc/bind/named.conf
// This is the primary configuration file for the BIND DNS server named.
//
// Please read /usr/share/doc/bind9/README.Debian.gz for information on the
// structure of BIND configuration files in Debian, *BEFORE* you customize
// this configuration file.
//
// If you are just adding zones, please do that in
/etc/bind/named.conf.local
include "/etc/bind/named.conf.options";
include "/etc/bind/named.conf.local";
include "/etc/bind/named.conf.default-zones";
root at dc01:~# cat /etc/bind/named.conf.options
options {
directory "/var/cache/bind";
// If there is a firewall between you and nameservers you want
// to talk to, you may need to fix the firewall to allow multiple
// ports to talk. See http://www.kb.cert.org/vuls/id/800113
// If your ISP provided one or more IP addresses for stable
// nameservers, you probably want to use them as forwarders.
// Uncomment the following block, and insert the addresses replacing
// the all-0's placeholder.
forwarders {
8.8.8.8; 8.8.4.4;
};
//========================================================================
// If BIND logs error messages about the root key being expired,
// you will need to update your keys. See https://www.isc.org/bind-keys
//========================================================================
dnssec-validation auto;
auth-nxdomain no; # conform to RFC1035
listen-on-v6 { any; };
notify no;
// DNS dynamic updates via Kerberos /usr/local/samba/private/dns.keytab;
tkey-gssapi-keytab "/usr/local/samba/private/dns.keytab";
};
root at dc01:~# cat /etc/bind/named.conf.local
//
// Do any local configuration here
//
// Consider adding the 1918 zones here, if they are not used in your
// organization
//include "/etc/bind/zones.rfc1918";
// adding the Samba dlopen ( Bind DLZ ) module include
"/usr/local/samba/private/named.conf";
root at dc01:~# cat */var/lib*/samba/bind-dns/named.conf
cat: /var/lib/samba/bind-dns/named.conf: _No such file or directory_
*root at dc01:~# ls -alh /var/lib/samba/*
*ls: cannot access '/var/lib/samba/': No such file or directory*
root at dc01:~# cat /*usr/local*/samba/bind-dns/named.conf
# This DNS configuration is for BIND 9.8.0 or later with dlz_dlopen support.
#
# This file should be included in your main BIND configuration file
#
# For example with
# include "/usr/local/samba/bind-dns/named.conf";
#
# This configures dynamically loadable zones (DLZ) from AD schema
# Uncomment only single database line, depending on your BIND version
#
dlz "AD DNS Zone" {
# For BIND 9.8.x
# database "dlopen /usr/local/samba/lib/bind9/dlz_bind9.so";
# For BIND 9.9.x
# database "dlopen /usr/local/samba/lib/bind9/dlz_bind9_9.so";
# For BIND 9.10.x
# database "dlopen /usr/local/samba/lib/bind9/dlz_bind9_10.so";
# For BIND 9.11.x
database "dlopen /usr/local/samba/lib/bind9/dlz_bind9_11.so";
# For BIND 9.12.x
# database "dlopen /usr/local/samba/lib/bind9/dlz_bind9_12.so";
};
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