[Samba] matchname messages filling logs - howto stop?

[David C. Rankin]

On 01/11/2010 03:34 PM, Сергей wrote:
> Hello, David
> 
>> Jan 11 13:43:45 nemesis smbd[2247]:   matchname: host name/address mismatch:
>> ::ffff:192.168.7.127 != Adrienne-PC.rbpllc.com
> Here is reason by plain English.
> Which IP-adress have Adrienne-PC.rbpllc.com?
> 
> Bye. Serg
> 

Сергей

	Thank you for the response. I know there is an IP mismatch. That, I get. What I
need your help on is how I tell samba to forget about the old IP address of
192.168.7.127 and learn the correct address for Adrienne-PC? Where is this
cached and how do I get rid of it?

	Samba isn't seeing something correctly. For example, here is the same problem
with a machine named reception (in the reception area):

Jan 13 12:43:19 nemesis smbd[7449]:   Matchname failed on RECEPTION.rbpllc.com
::ffff:192.168.7.150
Jan 13 12:50:46 nemesis smbd[7474]: [2010/01/13 12:50:46,  0]
lib/util_sock.c:1564(matchname)
Jan 13 12:50:46 nemesis smbd[7474]:   matchname: host name/address mismatch:
::ffff:192.168.7.150 != RECEPTION.rbpllc.com
Jan 13 12:50:46 nemesis smbd[7474]: [2010/01/13 12:50:46,  0]
lib/util_sock.c:1685(get_peer_name)
Jan 13 12:50:46 nemesis smbd[7474]:   Matchname failed on RECEPTION.rbpllc.com
::ffff:192.168.7.150

	Samba is saying there is a mismatch between reception and the IP of
192.168.7.150 -- but that is WRONG!

13:19 nemesis:~> ping reception
PING reception.rbpllc.com (192.168.7.150) 56(84) bytes of data.
64 bytes from RECEPTION.rbpllc.com (192.168.7.150): icmp_seq=1 ttl=128 time=3.16 ms
64 bytes from RECEPTION.rbpllc.com (192.168.7.150): icmp_seq=2 ttl=128 time=0.311 ms
64 bytes from RECEPTION.rbpllc.com (192.168.7.150): icmp_seq=3 ttl=128 time=0.309 ms
^C
--- reception.rbpllc.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 0.309/1.262/3.166/1.346 ms

	Here is the dns entry:

[13:23 nemesis:/home/david] # sdns
$ORIGIN .
$TTL 172800     ; 2 days
rbpllc.com              IN SOA  bonza.rbpllc.com. root.bonza.rbpllc.com. (
                                2009122700 ; serial
                                10800      ; refresh (3 hours)
                                3600       ; retry (1 hour)
                                604800     ; expire (1 week)
                                86400      ; minimum (1 day)
                                )
                        NS      bonza.rbpllc.com.
                        NS      nemesis.rbpllc.com.
                        MX      0 bonza.rbpllc.com.
$ORIGIN rbpllc.com.
<snip>
rankin-p35a             A       192.168.7.101
$TTL 14400      ; 4 hours
RECEPTION               A       192.168.7.150
                        TXT     "31070f4d9f3c8435ddf3a0641b740d7fdd"
<snip>

	and the reverse:

[13:23 nemesis:/home/david] # cat /var/lib/named/dyn/192.168.7.zone
$ORIGIN .
$TTL 172800     ; 2 days
7.168.192.in-addr.arpa  IN SOA  bonza.rbpllc.com. root.bonza.rbpllc.com. (
                                2009122700 ; serial
                                10800      ; refresh (3 hours)
                                3600       ; retry (1 hour)
                                604800     ; expire (1 week)
                                86400      ; minimum (1 day)
                                )
                        NS      bonza.rbpllc.com.
                        NS      nemesis.rbpllc.com.
$ORIGIN 7.168.192.in-addr.arpa.
101                     PTR     rankin-p35a.rbpllc.com.
<snip>
$TTL 14400      ; 4 hours
150                     PTR     RECEPTION.rbpllc.com.

	So why is there a mismatch error filling my logs?

-- 
David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
Telephone: (936) 715-9333
Facsimile: (936) 715-9339
www.rankinlawfirm.com