Jonathan S. Fisher
2015-Nov-30 20:52 UTC
[Samba] After joining domain, Samba uses the workgroup name, not the FQDN when running the net ads command
/etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by
resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 192.168.127.129
search windows.corp.XXX.com
/etc/hosts
127.0.0.1 localhost
127.0.1.1 freeradius.windows.corp.XXX.com freeradius
192.168.127.131 whiskey.windows.corp.XXX.com whiskey
192.168.112.4 wine..windows.corp.XXX.com wine
/etc/krb5.conf
[libdefaults]
default_realm = WINDOWS.CORP.XXX.COM
krb4_config = /etc/krb.conf
krb4_realms = /etc/krb.realms
kdc_timesync = 1
ccache_type = 4
forwardable = true
proxiable = true
v4_instance_resolve = false
v4_name_convert = {
host = {
rcmd = host
ftp = ftp
}
plain = {
something = something-else
}
}
fcc-mit-ticketflags = true
[realms]
WINDOWS.CORP.XXX.COM = {
kdc = whiskey.windows.corp.XXX.com:88
kdc = wine.windows.corp.XXX.com:88
admin_server = whiskey.windows.corp.XXX.com:749
}
[appdefaults]
pam = {
ticket_lifetime = 1d
renew_lifetime = 1d
forwardable = true
proxiable = false
retain_after_close = false
minimum_uid = 0
debug = false
}
[domain_realm]
.windows.corp.XXX.com = WINDOWS.CORP.XXX.COM
windows.corp.XXX.com = WINDOWS.CORP.XXX.COM
[login]
krb4_convert = true
krb4_get_tickets = false
On Mon, Nov 30, 2015 at 2:43 PM, Rowland Penny <rowlandpenny241155 at
gmail.com> wrote:
> On 30/11/15 20:30, Jonathan S. Fisher wrote:
>
>> Same results with that command. And the same DNS query occurred
>>
>> On Mon, Nov 30, 2015 at 2:20 PM, Rowland Penny <
>> rowlandpenny241155 at gmail.com <mailto:rowlandpenny241155 at
gmail.com>>
>> wrote:
>>
>> On 30/11/15 20:01, Jonathan S. Fisher wrote:
>>
>> Hey guys,
>>
>> I've successfully joined the domain with "sudo net ads
join
>> -k". However,
>> when I try to run this: "sudo net rpc info" I get
this error:
>> "Unable to
>> find a suitable server for domain WINDOWS"
>>
>> I dumped the DNS requests and it looks like the problem is
>> that it's asking
>> for ldap entries under the workgroup name, not the FQDN:
>>
>> From Wireshark:
>>
>> Queries
>> _ldap._tcp.pdc._msdcs.WINDOWS: type SRV, class IN
>> Name: _ldap._tcp.pdc._msdcs.WINDOWS
>>
>> Ok great, so if I dig that with the command: "dig
>> _ldap._tcp.pdc._msdcs.WINDOWS" dig times out. If I dig
the
>> FQDN: "dig
>> _ldap._tcp.pdc._msdcs.WINDOWS.CORP.XXX.COM
>> <http://msdcs.WINDOWS.CORP.XXX.COM>" I get a
response instantly.
>>
>> Is this a problem with my windows domain controller (how do I
>> make it
>> respond to those queries)? Or is this a problem with my samba
>> setup?
>>
>> Samba version: 4.2.5-SerNet-Ubuntu-8.trusty
>>
>> Here is my smb.conf:
>>
>> [global]
>> security=ads
>> realm=WINDOWS.CORP.XXX.COM <http://WINDOWS.CORP.XXX.COM>
>>
>> workgroup=WINDOWS
>> domain master=no
>> local master=no
>> preferred master=no
>> load printers=no
>> printing=bsd
>> printcap name=/dev/null
>> disable spoolss=yes
>> idmap backend=tdb
>> idmap uid=10000-99999
>> idmap gid=10000-99999
>> winbind enum users=yes
>> winbind enum groups=yes
>> winbind use default domain=yes
>> winbind nested groups=yes
>> winbind refresh tickets=yes
>> winbind offline logon=yes
>> template shell=/bin/false
>> client use spnego=yes
>> client ntlmv2 auth=yes
>> encrypt passwords=yes
>> restrict anonymous=2
>> log file=/var/log/samba/samba.log
>> log level=2
>> dcerpc endpoint servers=remote
>> wins support=no
>>
>>
>> Try it like this: sudo net rpc info -UAdministrator
>>
>> Rowland
>>
>>
>>
> OK, what have you got in /etc/resolv.conf & /etc/krb5.conf
>
>
> Rowland
>
> --
> To unsubscribe from this list go to the following URL and read the
> instructions: https://lists.samba.org/mailman/options/samba
>
--
Email Confidentiality Notice: The information contained in this
transmission is confidential, proprietary or privileged and may be subject
to protection under the law, including the Health Insurance Portability and
Accountability Act (HIPAA). The message is intended for the sole use of the
individual or entity to whom it is addressed. If you are not the intended
recipient, you are notified that any use, distribution or copying of the
message is strictly prohibited and may subject you to criminal or civil
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Rowland Penny
2015-Nov-30 21:07 UTC
[Samba] After joining domain, Samba uses the workgroup name, not the FQDN when running the net ads command
On 30/11/15 20:52, Jonathan S. Fisher wrote:> /etc/resolv.conf > # Dynamic resolv.conf(5) file for glibc resolver(3) generated by > resolvconf(8) > # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN > nameserver 192.168.127.129 > search windows.corp.XXX.com <http://windows.corp.XXX.com>I take it 192.168.127.129 is your AD DC.> > /etc/hosts > > 127.0.0.1 localhost > 127.0.1.1 freeradius.windows.corp.XXX.com > <http://freeradius.windows.corp.XXX.com> freeradius > 192.168.127.131 whiskey.windows.corp.XXX.com > <http://whiskey.windows.corp.XXX.com> whiskey > 192.168.112.4 wine..windows.corp.XXX.com <http://windows.corp.XXX.com> > wineHmm, I think you are using Network Manager, which uses dnsmasq as a cache, I would suggest you stop this ( open the network-manager conf and comment out the dnsmasq line, restart network-manager). If you are using DHCP, I would also suggest you remove the three lines below '127.0.0.1 localhost', if your machine has a fixed ip, I would remove any of the three lines that doesn't point to your machine.> > /etc/krb5.conf > > [libdefaults] > default_realm = WINDOWS.CORP.XXX.COM <http://WINDOWS.CORP.XXX.COM>Believe it or not, you do not need any of /etc/krb5 from here on, you only need the two lines above> krb4_config = /etc/krb.conf > krb4_realms = /etc/krb.realms > kdc_timesync = 1 > ccache_type = 4 > forwardable = true > proxiable = true > > v4_instance_resolve = false > v4_name_convert = { > host = { > rcmd = host > ftp = ftp > } > plain = { > something = something-else > } > } > fcc-mit-ticketflags = true > > [realms] > WINDOWS.CORP.XXX.COM <http://WINDOWS.CORP.XXX.COM> = { > kdc = whiskey.windows.corp.XXX.com:88 > <http://whiskey.windows.corp.XXX.com:88> > kdc = wine.windows.corp.XXX.com:88 <http://wine.windows.corp.XXX.com:88> > admin_server = whiskey.windows.corp.XXX.com:749 > <http://whiskey.windows.corp.XXX.com:749> > } > > [appdefaults] > pam = { > ticket_lifetime = 1d > renew_lifetime = 1d > forwardable = true > proxiable = false > retain_after_close = false > minimum_uid = 0 > debug = false > } > > [domain_realm] > .windows.corp.XXX.com <http://windows.corp.XXX.com> = > WINDOWS.CORP.XXX.COM <http://WINDOWS.CORP.XXX.COM> > windows.corp.XXX.com <http://windows.corp.XXX.com> = > WINDOWS.CORP.XXX.COM <http://WINDOWS.CORP.XXX.COM> > > [login] > krb4_convert = true > krb4_get_tickets = false > >I would also go here: https://wiki.samba.org/index.php/Setup_Samba_as_an_AD_Domain_Member Setup samba as described there, you will need to follow the hyperlinks. Rowland> On Mon, Nov 30, 2015 at 2:43 PM, Rowland Penny > <rowlandpenny241155 at gmail.com <mailto:rowlandpenny241155 at gmail.com>> > wrote: > > On 30/11/15 20:30, Jonathan S. Fisher wrote: > > Same results with that command. And the same DNS query occurred > > On Mon, Nov 30, 2015 at 2:20 PM, Rowland Penny > <rowlandpenny241155 at gmail.com > <mailto:rowlandpenny241155 at gmail.com> > <mailto:rowlandpenny241155 at gmail.com > <mailto:rowlandpenny241155 at gmail.com>>> wrote: > > On 30/11/15 20:01, Jonathan S. Fisher wrote: > > Hey guys, > > I've successfully joined the domain with "sudo net ads > join > -k". However, > when I try to run this: "sudo net rpc info" I get this > error: > "Unable to > find a suitable server for domain WINDOWS" > > I dumped the DNS requests and it looks like the problem is > that it's asking > for ldap entries under the workgroup name, not the FQDN: > > From Wireshark: > > Queries > _ldap._tcp.pdc._msdcs.WINDOWS: type SRV, class IN > Name: _ldap._tcp.pdc._msdcs.WINDOWS > > Ok great, so if I dig that with the command: "dig > _ldap._tcp.pdc._msdcs.WINDOWS" dig times out. If I > dig the > FQDN: "dig > _ldap._tcp.pdc._msdcs.WINDOWS.CORP.XXX.COM > <http://msdcs.WINDOWS.CORP.XXX.COM> > <http://msdcs.WINDOWS.CORP.XXX.COM>" I get a response > instantly. > > Is this a problem with my windows domain controller > (how do I > make it > respond to those queries)? Or is this a problem with > my samba > setup? > > Samba version: 4.2.5-SerNet-Ubuntu-8.trusty > > Here is my smb.conf: > > [global] > security=ads > realm=WINDOWS.CORP.XXX.COM > <http://WINDOWS.CORP.XXX.COM> <http://WINDOWS.CORP.XXX.COM> > > workgroup=WINDOWS > domain master=no > local master=no > preferred master=no > load printers=no > printing=bsd > printcap name=/dev/null > disable spoolss=yes > idmap backend=tdb > idmap uid=10000-99999 > idmap gid=10000-99999 > winbind enum users=yes > winbind enum groups=yes > winbind use default domain=yes > winbind nested groups=yes > winbind refresh tickets=yes > winbind offline logon=yes > template shell=/bin/false > client use spnego=yes > client ntlmv2 auth=yes > encrypt passwords=yes > restrict anonymous=2 > log file=/var/log/samba/samba.log > log level=2 > dcerpc endpoint servers=remote > wins support=no > > > Try it like this: sudo net rpc info -UAdministrator > > Rowland > > > > OK, what have you got in /etc/resolv.conf & /etc/krb5.conf > > > Rowland > > -- >
Jonathan S. Fisher
2015-Nov-30 22:38 UTC
[Samba] After joining domain, Samba uses the workgroup name, not the FQDN when running the net ads command
Thank you Rowland for the help so far. I followed the directions on that page very precisely. I was able to join the domain, but the RPC stuff still doesn't work and I'm still having the same problem. The actual root problem is that up to this point, winbind works for about a day or so then I start getting NT_STATUS_ACCESS_DENIED. Anyway, after the join, winbind works right now: sudo wbinfo -a administrator Enter administrator's password: plaintext password authentication succeeded Checking RPC: sudo net rpc info -Uadministrator Unable to find a suitable server for domain WINDOWS Here is my new config: /etc/hosts 127.0.0.1 localhost /etc/krb5.conf [libdefaults] default_realm = WINDOWS.CORP.XXX.COM /etc/samba/smb.conf [global] netbios name=freeradius security=ADS workgroup=WINDOWS realm=WINDOWS.CORP.XXX.COM log file=/var/log/samba/%m.log log level=1 dedicated keytab file=/etc/krb5.keytab kerberos method=secrets and keytab winbind refresh tickets=yes winbind trusted domains only=no winbind use default domain=yes winbind enum users=yes winbind enum groups=yes load printers=no template shell=/bin/false idmap config WINDOWS:backend=rid idmap config WINDOWS:range=10000-99999 On Mon, Nov 30, 2015 at 3:07 PM, Rowland Penny <rowlandpenny241155 at gmail.com> wrote:> On 30/11/15 20:52, Jonathan S. Fisher wrote: > >> /etc/resolv.conf >> # Dynamic resolv.conf(5) file for glibc resolver(3) generated by >> resolvconf(8) >> # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN >> nameserver 192.168.127.129 >> search windows.corp.XXX.com <http://windows.corp.XXX.com> >> > > I take it 192.168.127.129 is your AD DC. > > >> /etc/hosts >> >> 127.0.0.1 localhost >> 127.0.1.1 freeradius.windows.corp.XXX.com < >> http://freeradius.windows.corp.XXX.com> freeradius >> 192.168.127.131 whiskey.windows.corp.XXX.com < >> http://whiskey.windows.corp.XXX.com> whiskey >> 192.168.112.4 wine..windows.corp.XXX.com <http://windows.corp.XXX.com> >> wine >> > > Hmm, I think you are using Network Manager, which uses dnsmasq as a cache, > I would suggest you stop this ( open the network-manager conf and comment > out the dnsmasq line, restart network-manager). If you are using DHCP, I > would also suggest you remove the three lines below '127.0.0.1 localhost', > if your machine has a fixed ip, I would remove any of the three lines that > doesn't point to your machine. > > >> /etc/krb5.conf >> >> [libdefaults] >> default_realm = WINDOWS.CORP.XXX.COM <http://WINDOWS.CORP.XXX.COM> >> > > Believe it or not, you do not need any of /etc/krb5 from here on, you only > need the two lines above > > krb4_config = /etc/krb.conf >> krb4_realms = /etc/krb.realms >> kdc_timesync = 1 >> ccache_type = 4 >> forwardable = true >> proxiable = true >> >> v4_instance_resolve = false >> v4_name_convert = { >> host = { >> rcmd = host >> ftp = ftp >> } >> plain = { >> something = something-else >> } >> } >> fcc-mit-ticketflags = true >> >> [realms] >> WINDOWS.CORP.XXX.COM <http://WINDOWS.CORP.XXX.COM> = { >> kdc = whiskey.windows.corp.XXX.com:88 < >> http://whiskey.windows.corp.XXX.com:88> >> kdc = wine.windows.corp.XXX.com:88 <http://wine.windows.corp.XXX.com:88> >> admin_server = whiskey.windows.corp.XXX.com:749 < >> http://whiskey.windows.corp.XXX.com:749> >> } >> >> [appdefaults] >> pam = { >> ticket_lifetime = 1d >> renew_lifetime = 1d >> forwardable = true >> proxiable = false >> retain_after_close = false >> minimum_uid = 0 >> debug = false >> } >> >> [domain_realm] >> .windows.corp.XXX.com <http://windows.corp.XXX.com> >> WINDOWS.CORP.XXX.COM <http://WINDOWS.CORP.XXX.COM> >> windows.corp.XXX.com <http://windows.corp.XXX.com> = WINDOWS.CORP.XXX.COM >> <http://WINDOWS.CORP.XXX.COM> >> >> [login] >> krb4_convert = true >> krb4_get_tickets = false >> >> >> > I would also go here: > https://wiki.samba.org/index.php/Setup_Samba_as_an_AD_Domain_Member > > Setup samba as described there, you will need to follow the hyperlinks. > > Rowland > > > On Mon, Nov 30, 2015 at 2:43 PM, Rowland Penny < >> rowlandpenny241155 at gmail.com <mailto:rowlandpenny241155 at gmail.com>> >> wrote: >> >> On 30/11/15 20:30, Jonathan S. Fisher wrote: >> >> Same results with that command. And the same DNS query occurred >> >> On Mon, Nov 30, 2015 at 2:20 PM, Rowland Penny >> <rowlandpenny241155 at gmail.com >> <mailto:rowlandpenny241155 at gmail.com> >> <mailto:rowlandpenny241155 at gmail.com >> >> <mailto:rowlandpenny241155 at gmail.com>>> wrote: >> >> On 30/11/15 20:01, Jonathan S. Fisher wrote: >> >> Hey guys, >> >> I've successfully joined the domain with "sudo net ads >> join >> -k". However, >> when I try to run this: "sudo net rpc info" I get this >> error: >> "Unable to >> find a suitable server for domain WINDOWS" >> >> I dumped the DNS requests and it looks like the problem is >> that it's asking >> for ldap entries under the workgroup name, not the FQDN: >> >> From Wireshark: >> >> Queries >> _ldap._tcp.pdc._msdcs.WINDOWS: type SRV, class IN >> Name: _ldap._tcp.pdc._msdcs.WINDOWS >> >> Ok great, so if I dig that with the command: "dig >> _ldap._tcp.pdc._msdcs.WINDOWS" dig times out. If I >> dig the >> FQDN: "dig >> _ldap._tcp.pdc._msdcs.WINDOWS.CORP.XXX.COM >> <http://msdcs.WINDOWS.CORP.XXX.COM> >> <http://msdcs.WINDOWS.CORP.XXX.COM>" I get a response >> instantly. >> >> Is this a problem with my windows domain controller >> (how do I >> make it >> respond to those queries)? Or is this a problem with >> my samba >> setup? >> >> Samba version: 4.2.5-SerNet-Ubuntu-8.trusty >> >> Here is my smb.conf: >> >> [global] >> security=ads >> realm=WINDOWS.CORP.XXX.COM >> <http://WINDOWS.CORP.XXX.COM> <http://WINDOWS.CORP.XXX.COM> >> >> >> workgroup=WINDOWS >> domain master=no >> local master=no >> preferred master=no >> load printers=no >> printing=bsd >> printcap name=/dev/null >> disable spoolss=yes >> idmap backend=tdb >> idmap uid=10000-99999 >> idmap gid=10000-99999 >> winbind enum users=yes >> winbind enum groups=yes >> winbind use default domain=yes >> winbind nested groups=yes >> winbind refresh tickets=yes >> winbind offline logon=yes >> template shell=/bin/false >> client use spnego=yes >> client ntlmv2 auth=yes >> encrypt passwords=yes >> restrict anonymous=2 >> log file=/var/log/samba/samba.log >> log level=2 >> dcerpc endpoint servers=remote >> wins support=no >> >> >> Try it like this: sudo net rpc info -UAdministrator >> >> Rowland >> >> >> >> OK, what have you got in /etc/resolv.conf & /etc/krb5.conf >> >> >> Rowland >> >> -- >> > > -- > To unsubscribe from this list go to the following URL and read the > instructions: https://lists.samba.org/mailman/options/samba >-- Email Confidentiality Notice: The information contained in this transmission is confidential, proprietary or privileged and may be subject to protection under the law, including the Health Insurance Portability and Accountability Act (HIPAA). The message is intended for the sole use of the individual or entity to whom it is addressed. If you are not the intended recipient, you are notified that any use, distribution or copying of the message is strictly prohibited and may subject you to criminal or civil penalties. If you received this transmission in error, please contact the sender immediately by replying to this email and delete the material from any computer.
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