Master-Slave-Problem (if master down, slave don't answer the queries)

Mark.Andrews at nominum.com Mark.Andrews at nominum.com
Wed May 30 02:34:56 UTC 2001


> Hi Mark & James,
> 
> thanks for your answers.
> First, both nameservers are external (Internet) only, not internal
> nameservers.
> The master didn't run last night. I don't know why, the process ended by
> self! What can be the cause for that? Any idea?

	Well what does the log say?
	What version are you running?  The current BIND 8 and BIND 9
	release versions are 8.2.4 and 9.1.2.  If you are running a
	BIND version less than 8.2.3-REL you are running a version with
	known security holes.

	Mark

> 
> Can you tell me please, how can I test the nameservers from the internet
> (running, answering, etc or not)?
> 
> Sorry James, but I didn't understand your answer exactly. What did you meant
> with delegation or registration of nameservers? Should I register they
> somewhere (by other dns-servers or by intenic, etc)? I have installed,
> configured bind only and than I gave the addresses to my domain registration
> office. By all the domains are the entries:
> 
> nameserver 1: dns1.phag.net
> nameserver 2: dns2.phag.net
> 
> Is something missing?
> 
> And here is the configuration file of my master:
> 
> ############################################################################
> ############
> options {
>         directory "/daten/named";
>         query-source address * port 53;
>         listen-on { 10.128.133.0/26; }; // internal address
>         allow-query { any; };
>         allow-transfer { any; };
> 
>         # the default is to fail, if the master file is not correct
>         check-names master fail; // warn?
>         check-names slave ignore;  // warn?
>         check-names response ignore;
>         datasize default;
>         stacksize default;
>         coresize default;
>         files unlimited;
>         recursion yes;
> 
>         multiple-cnames yes;            // if yes, then a name my have more
> 
>         forwarders {
>                 194.25.0.125;   // pns.dtag.de
>         };
> 
>         also-notify {
>                 10.128.133.6;    // internal address of SLAVE
>         };
>         version "PHAG DNS";
> };
> 
> logging {
>         channel messages {
>                 syslog local1;
>                 severity info;
>                 print-category yes;
>         };
>         channel noinfo {
>                 syslog local1;
>                 severity warning;
>         };
>         channel log_file {
>                 file "/var/log/bind" versions 10 size 100k;
>                 severity debug;
>                 print-category yes;
>                 print-severity yes;
>                 print-time yes;
>         };
>         channel log_file_errors {
>                 file "/var/log/bind_errors" versions 10 size 100k;
>                 severity debug;
>                 print-category yes;
>                 print-severity yes;
>                 print-time yes;
>         };
>         category default {messages; log_file; log_file_errors; };
>         category security { noinfo; log_file; log_file_errors; };
>         category statistics { null; log_file; log_file_errors; };
>         category xfer-out { noinfo; log_file; log_file_errors; };
>         category lame-servers { null; log_file; log_file_errors; };
>         category cname { null; log_file; log_file_errors; };
>         category queries { null;log_file_errors; };
>         category maintenance { null; log_file; log_file_errors; };
>         category notify { null; log_file_errors; };
> };
> 
> /* ---------- Local Zones ---------- */
> zone "." {
>         type hint;
>         file "local/root.hint";
> };
> 
> zone "0.0.127.in-addr.arpa" {
>         type master;
>         file "local/127.0.0";
> };
> 
> 
> /* Master Zones */
> zone "hartmann-online.de" IN {
>         type master;
>         file "master/hartmann-online.de";
> };
> ....
> ############################################################################
> #######################
> 
> Thank you for helping me,
> 
> Stefan
> 
> 
> <Mark.Andrews at nominum.com> schrieb im Newsbeitrag
> news:9eupt6$b4b at pub3.rc.vix.com...
> >
> > How did you decide that it didn't answer the queries?
> >
> > The master is still down at present as far as I can tell
> > and I am getting answers back.
> >
> > Mark
> >
> >
> > ; <<>> DiG 8.3 <<>> aboservice.phag.net
> > ;; res options: init recurs defnam dnsrch
> > ;; got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
> > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
> > ;; QUERY SECTION:
> > ;; aboservice.phag.net, type = A, class = IN
> >
> > ;; ANSWER SECTION:
> > aboservice.phag.net. 1D IN A 195.243.63.225
> >
> > ;; AUTHORITY SECTION:
> > phag.net. 1D IN NS dns1.phag.net.
> > phag.net. 1D IN NS dns2.phag.net.
> >
> > ;; ADDITIONAL SECTION:
> > dns1.phag.net. 23h49m50s IN A 195.145.30.85
> > dns2.phag.net. 23h50m7s IN A 195.243.63.225
> >
> > ;; Total query time: 2379 msec
> > ;; FROM: drugs.dv.isc.org to SERVER: default -- 127.0.0.1
> > ;; WHEN: Tue May 29 10:02:00 2001
> > ;; MSG SIZE  sent: 37  rcvd: 123
> >
> >
> > > Hi,
> > >
> > > I have two nameservers (now bind 8.2.3 on SuSe-Linux) in the internet
> with
> > > the domains of my company since 1 year. Yesterday was my MASTER down. I
> > > thought, that than the slave will answer the queries from the internet.
> But
> > > it didn't!
> > > Is ist a mistakes in reasoning or a configuration-error? Can somebody
> help
> > > me?
> > > Here is my config:
> > >
> > > Master:  dns1.phag.net - 195.145.30.85
> > > Slave:    dns2.phag.net - 195.243.63.225
> > >
> > > zB. zone: hartmann-online.de
> > >       Entries by Denic/Internic:
> > >          Nameserver1:  dns1.phag.net
> > >          Nameserver2:  dns2.phag.net
> > >
> > >
> > >
> > > and here are the zone-files:
> > >
> > > ########################################################
> > > $ORIGIN hartmann-online.de.
> > > $TTL 1D
> > > @       IN      SOA     dns1.phag.net.  dns.phag.net. (
> > >                         2001051800      ; serial
> > >                         1D              ; refresh
> > >                         2H              ; retry
> > >                         1W              ; expire
> > >                         1D )            ; default ttl
> > > ;
> > >                 IN      NS      dns1.phag.net.
> > >                 IN      NS      dns2.phag.net.
> > >
> > >                  IN      MX      10 mail.hartmann-online.de.
> > >                  IN      MX      20 zeus.nic.dtag.de.
> > >
> > > mail            IN   A       195.145.30.89
> > > www             IN   A       194.122.0.65
> > > telekom         IN   A       195.145.30.81
> > > firewall        IN   A       195.145.30.82
> > > order           IN   A       194.122.0.65
> > > ##########################################################
> > >
> > > $ORIGIN phag.net.
> > > $TTL 1D
> > > @       IN      SOA     dns1.phag.net.      dns.phag.net. (
> > >                         2001052200      ; serial
> > >                         1D              ; refresh
> > >                         2H              ; retry
> > >                         1W              ; expire
> > >                         1D )            ; default ttl
> > > ;
> > >                 IN      NS      dns1.phag.net.
> > >                 IN      NS      dns2.phag.net.
> > >
> > >                 IN      MX      10 mail.hartmann-online.de.
> > >                 IN      MX      20 mforward.dtag.de.
> > > ;
> > > ; 195.145.30.*
> > > ;
> > > ns                      IN      CNAME   ulm.nic.xlink.net.
> > > mail                    IN      CNAME   mail.hartmann-online.de.
> > > jabba                   IN      A       195.145.30.83
> > > hdhwww02                IN      A       195.145.30.84
> > > ftp.hdhwww02            IN      A       195.145.30.84
> > > ftp                     IN      A       195.145.30.84
> > > qmdoc                   IN      A       195.145.30.84
> > > www.sap                 IN      A       195.145.30.84
> > > b-to-b.sap              IN      A       195.145.30.84
> > > biw-20b.sap             IN      A       195.145.30.84
> > > biw-21c.sap             IN      A       195.145.30.84
> > > r3-45b.sap              IN      A       195.145.30.84
> > > r3-46c.sap              IN      A       195.145.30.84
> > > wp-211.sap              IN      A       195.145.30.84
> > > dns1                    IN      A       195.145.30.85
> > > hdhits01                IN      A       195.145.30.86
> > > hdhwww03                IN      A       195.145.30.87
> > > hdhdns01                IN      A       195.145.30.91
> > > news                    IN      A       195.145.30.92
> > > ; PHAGI01:
> > > mailbridge              IN      A       195.145.30.93
> > >                         IN      MX 5    mailbridge
> > > phagi01                 IN      A       195.145.30.93
> > > www.euro2000            IN      A       195.145.30.93
> > > phagc01                 IN      A       195.145.30.94
> > > xwing                   IN      A       195.145.30.95
> > > ;
> > > ; 195.243.63.*
> > > ;
> > > ba                      IN      A       195.243.63.232
> > > bildarchiv              IN      CNAME   ba
> > > dns2                    IN      A       195.243.63.225
> > > jobs                    IN      A       195.243.63.225
> > > myshop                  IN      A       195.243.63.225
> > > pdashop                 IN      A       195.243.63.225
> > > www                     IN      A       195.243.63.225
> > > hdhwww01                IN      A       195.243.63.225
> > > phgroup                 IN      A       195.243.63.225
> > > aboservice              IN      A       195.243.63.225
> > > joshua                  IN      A       195.243.63.226
> > >                         IN      MX 5    joshua
> > > phagc05                 IN      A       195.243.63.227
> > > hdhapp07                IN      A       195.243.63.237
> > > #########################################################
> > >
> > >
> > > My  best reguards
> > >
> > > Stefan Kaifer
> > > Paul Hartmann AG
> > > stefan.kaifer at hartmann-online.de
> > >
> > >
> > >
> > --
> > Mark Andrews, Nominum Inc.
> > 1 Seymour St., Dundas Valley, NSW 2117, Australia
> > PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com
> >
> >
> 
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com


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