Did I get it right?

Kevin Darcy kcd at daimlerchrysler.com
Wed Jul 31 03:02:19 UTC 2002


Kevin Darcy wrote:

> "Chris W." wrote:
>
> > Hello everyone,
> >
> > I wish to have a caching-only nameserver to serve my small LAN. I have
> > read pages upon pages of information on BIND and DNS but I'm not sure if
> > I have it right just yet.  I am hoping to setup a DNS server and supply
> > name services to the two Windows systems I have on my network.  I have
> > tried plugging in the IP address of the DNS server into my Windows
> > systems but nslookup on those systems returns a "Can't find server name
> > for address 192.168.1.100: Timed out" message. From what I've read, this
> > appears to be a reverse DNS issue but I just don't see where the problem
> > lies.  Can someone please point me in the right direction?
> >
> > I am using BIND 9.2.1 on a PC running Solaris 8.
> >
> > Thanks in advance,
> >
> > Chris
> >
> > ===== hosts =====
> > 127.0.0.1       localhost
> > 192.168.1.100   cwunix.cwsys     cwunix  loghost
> > 192.168.1.101   compsys01.cwsys  compsys01
> > 192.168.1.102   compsys02.cwsys  compsys02
> >
> > ===== named.conf =====
> >
> > # /usr/local/etc/named.conf
> >
> > key "rndc-key" {
> >       algorithm hmac-md5;
> >       secret "5ziCq0tjii+OkjfUrjQ1Cg==";
> > };
> >
> > controls {
> >       inet 127.0.0.1 port 953
> >               allow { 127.0.0.1; } keys { "rndc-key"; };
> > };
> >
> > acl "allowDNS" { 192.168.1.0/24; localhost; };
> > acl "bogusnets" { 0.0.0.0/8; 1.0.0.0/8; 2.0.0.0/8; 192.0.2.0/24;
> >                   224.0.0.0/3; 10.0.0.0/8; 172.16.0.0/12;
> >                   192.168.0.0/16; };
> >
> > options {
> >         directory "/var/named";         # Working directory
> >         listen-on {
> >                 192.168/16;
> >                 127.0.0.1;
> >                 };
> >         pid-file "named.pid";           # Pid file in working dir
> >         allow-query { "allowDNS"; };    # Block access via ACL
> >         blackhole { "bogusnets"; };     # Block spoofing
> >                 forwarders {
> >                 63.240.76.4;
> >                 204.127.198.4;
> >         };
> > };
> >
> > zone "." {
> >         type hint;
> >         file "named.ca";
> > };
> >
> > zone "0.0.127.in-addr.arpa" {
> >         type master;
> >         file "named.local";
> >         notify no;
> > };
> >
> > zone "cwsys" {
> >         type master;
> >         file "db.cwsys";
> >         notify no;
> >         allow-update { none; };
> > };
> >
> > zone "1.168.192.in-addr.arpa" IN {
> >         type master;
> >         file "db.192.168.1";
> >         notify no;
> >         allow-update { none; };
> > };
> >
> > ===== resolv.conf =====
> >
> > search cwsys
> > domain cwsys
> > nameserver 127.0.0.1
> > nameserver 63.240.76.4
> > nameserver 204.127.198.4
> >
> > ===== named.local =====
> >
> > ; /var/named/named.local
> > ;
> > $TTL    86400
> > @       IN      SOA     localhost. root.localhost.  (
> >                                     1997022700 ; Serial
> >                                     28800      ; Refresh
> >                                     14400      ; Retry
> >                                     3600000    ; Expire
> >                                     86400 )    ; Minimum
> >               IN      NS      localhost.
> >
> > 1       IN      PTR     localhost.
> >
> > ===== db.cwsys =====
> >
> > ; /var/named/db.cwsys
> > ;
> > $TTL    86400
> > @       IN      SOA     cwsys. root.cwsys.  (
> >                                         2002022700 ; Serial
> >                                         28800      ; Refresh
> >                                         14400      ; Retry
> >                                         3600000    ; Expire
> >                                         86400 )    ; Minimum
> >               IN      NS      cwunix.cwsys.
> >
> > cwsys.  IN      A       192.168.1.100
> >
> > ===== db.192.168.1 =====
> >
> > ; /var/named/db.192.168.1
> > ;
> > $TTL    86400
> >
> > 1.168.192.in-addr.arpa.    IN      SOA     cwsys. root.cwsys.  (
> >                                       2002022700 ; Serial
> >                                       28800      ; Refresh
> >                                       14400      ; Retry
> >                                       3600000    ; Expire
> >                                       86400 )    ; Minimum
> > 1.168.192.in-addr.arpa.    IN      NS      cwsys.
> >
> > 100     PTR     cwunix.cwsys.
> >
> > ============  DIG RESULTS ============
> >
> > ; <<>> DiG 9.2.1 <<>> -x 192.168.1.100
> >
> > ;; global options:  printcmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 36283
> > ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
> >
> > ;; QUESTION SECTION:
> > ;100.1.168.192.in-addr.arpa.    IN      PTR
> >
> > ;; ANSWER SECTION:
> > 100.1.168.192.in-addr.arpa. 86400 IN    PTR     cwunix.cwsys.
> >
> > ;; AUTHORITY SECTION:
> > 1.168.192.in-addr.arpa. 86400   IN      NS      cwsys.
> >
> > ;; ADDITIONAL SECTION:
> > cwsys.                  86400   IN      A       192.168.1.100
> >
> > ;; Query time: 4 msec
> > ;; SERVER: 127.0.0.1#53(127.0.0.1)
> > ;; WHEN: Tue Jul 30 18:08:55 2002
> > ;; MSG SIZE  rcvd: 100
> >
> > ============  DIG RESULTS ============
> >
> > ; <<>> DiG 9.2.1 <<>> cwsys
> >
> > ;; global options:  printcmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49218
> > ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0
> >
> > ;; QUESTION SECTION:
> > ;cwsys.                         IN      A
> >
> > ;; ANSWER SECTION:
> > cwsys.                  86400   IN      A       192.168.1.100
> >
> > ;; AUTHORITY SECTION:
> > cwsys.                  86400   IN      NS      cwunix.cwsys.
> >
> > ;; Query time: 4 msec
> > ;; SERVER: 127.0.0.1#53(127.0.0.1)
> > ;; WHEN: Tue Jul 30 18:09:24 2002
> > ;; MSG SIZE  rcvd: 60
> >
> > ============  DIG RESULTS ============
> >
> > ; <<>> DiG 9.2.1 <<>> hotsheet.com
> >
> > ;; global options:  printcmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40022
> > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
> >
> > ;; QUESTION SECTION:
> > ;hotsheet.com.                  IN      A
> >
> > ;; ANSWER SECTION:
> > hotsheet.com.           153     IN      A       209.41.100.68
> >
> > ;; AUTHORITY SECTION:
> > hotsheet.com.           153     IN      NS      ns1.neospire.net.
> > hotsheet.com.           153     IN      NS      ns2.neospire.net.
> >
> > ;; ADDITIONAL SECTION:
> > ns1.neospire.net.       153     IN      A       209.41.115.6
> > ns2.neospire.net.       153     IN      A       209.41.115.7
> >
> > ;; Query time: 4 msec
> > ;; SERVER: 127.0.0.1#53(127.0.0.1)
> > ;; WHEN: Tue Jul 30 18:10:48 2002
> > ;; MSG SIZE  rcvd: 126
>
> You're blackholing all of 192.168/16.

Oh, and your listen-on is pretty horked. It accepts only IP addresses, not
ranges.


- Kevin





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