NS 127.0.0.1 not reachable
From: Benu (flashl_at_bigfoot.com)
Date: 10/08/04
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Date: Fri, 8 Oct 2004 11:45:57 -0500
I am running Fedora Core 2 and have turned iptables off to troubleshoot DNS.
I have researched and read newgroup messages for the past three weeks and I
am stumped. If there is some glaring error in this configuration, please let
me know.
The DNS files are listed below:
--/var/named/chroot/var/named/named.conf
// generated by named-bootconf.pl
acl my_nets {
192.168.2.0/24;
127.0.0.1/24;
localhost;
};
acl xfer {
none;
};
acl externals {
68.105.161.20;
};
acl bogus-net3 {
208.0.0.0/4;
200.0.0.0/5;
196.0.0.0/6;
194.0.0.0/7;
193.0.0.0/8;
};
acl bogus-net2 {
0.0.0.0/3;
16.0.0.0/3;
64.0.0.0/3;
96.0.0.0/3;
128.0.0.0/3;
160.0.0.0/3;
};
acl bogus-net1 {
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;
172.16.0.0/16;
};
logging {
channel "default_syslog" {
syslog local2;
severity debug;
};
channel "audit_log" {
file "/var/named/audit_log";
severity info;
print-time yes;
};
category default { default_syslog; };
category general { default_syslog; };
category security { audit_log; default_syslog; };
category config { default_syslog; };
category resolver { audit_log; };
category xfer-in { audit_log; };
category xfer-out { audit_log; };
category notify { audit_log; };
category client { audit_log; };
category network { audit_log; };
category update { audit_log; };
category queries { audit_log; };
category lame-servers { audit_log; };
};
options {
blackhole {
bogus-net1;
bogus-net2;
bogus-net3;
};
directory "/var/named/";
allow-query { my_nets; externals; };
allow-transfer { xfer; };
allow-recursion { my_nets; };
cleaning-interval 30;
forward first;
forwarders {
192.168.2.2; //Local DNS
68.105.161.20; //Cable DNS
};
minimal-responses no;
notify no;
//query-source address * port 53;
transfer-format many-answers;
version "Guess";
zone-statistics yes;
};
controls {
inet 127.0.0.1 allow {
127.0.0.1;
}
keys {
rndckey;
};
};
include "/etc/rndc.key";
view "homelan" {
additional-from-auth yes;
additional-from-cache yes;
match-clients { "my_nets"; };
recursion yes;
zone "2.168.192.in-addr.arpa" in {
type master;
file "2.168.192.in-addr.arpa.hosts";
};
zone "blkdiamonds.lan" in {
type master;
file "blkdiamonds.lan.hosts";
allow-query { any; };
};
zone "." in {
type hint;
file "named.ca";
};
zone "0.0.127.in-addr.arpa" in {
type master;
file "0.0.127.in-addr.arpa.hosts";
allow-query { any; };
allow-transfer { none; };
};
};
view "externals" {
additional-from-auth no;
additional-from-cache no;
match-clients { any; };
recursion no;
zone "2.168.192.in-addr.arpa" in {
type master;
file "2.168.192.in-addr.arpa.hosts";
allow-query { any; };
};
zone "blkdiamonds.lan" in {
type master;
file "blkdiamonds.lan.hosts";
allow-query { any; };
};
zone "." in {
type hint;
file "named.ca";
};
};
view "external-chaos" chaos {
match-clients { any; };
recursion no;
zone "." {
type hint;
file "/dev/null";
};
zone "bind" {
type master;
file "bind.hosts";
allow-query {
my_nets;
};
allow-transfer {
none;
};
};
};
host files
--127
$TTL 86400
0.0.127.in-addr.arpa. IN SOA ns1.blkdiamonds.lan. root.blkdiamonds.lan. (
200410062
10800
900
604800
3600 )
;
0.0.127.in-addr.arpa. IN NS ns1.blkdiamonds.lan.
1 IN PTR localhost.
--2.168.192
$ORIGIN .
$TTL 86400 ; 1 day
2.168.192.in-addr.arpa IN SOA ns1.blkdiamonds.lan. root.blkdiamonds.lan. (
2004100603 ; serial
10800 ; refresh (3 hours)
900 ; retry (15 minutes)
604800 ; expire (1 week)
3600 ; minimum (1 hour)
)
NS ns1.blkdiamonds.lan.
$ORIGIN 2.168.192.in-addr.arpa.
$TTL 21600 ; 6 hours
139 PTR your-790nxtxuoe.blkdiamonds.lan.
$TTL 86400 ; 1 day
2 PTR ftp.blkdiamonds.lan.
PTR ns1.blkdiamonds.lan.
PTR www.blkdiamonds.lan.
PTR roxie.blkdiamonds.lan.
--bind
; @(#)db.bind v1.2 25 JAN 2001 Rob Thomas robt@cymru.com
;
$TTL 1D
$ORIGIN bind.
@ 1D CHAOS SOA localhost. root.localhost. (
2004100601 ; serial
3H ; refresh
1H ; retry
1W ; expiry
1D ) ; minimum
CHAOS NS localhost.
version.bind. CHAOS TXT "BIND 9.1.3+robhacks"
authors.bind. CHAOS TXT "are better coders than I. :)"
--blkdiamonds.lan
$ORIGIN .
$TTL 86400 ; 1 day
blkdiamonds.lan. IN SOA ns1.blkdiamonds.lan. root.blkdiamonds.lan. (
2004100609 ; serial
10800 ; refresh (3 hours)
900 ; retry (15 minutes)
604800 ; expire (1 week)
3600 ; minimum (1 hour)
)
NS ns1.blkdiamonds.lan.
$ORIGIN blkdiamonds.lan.
ftp CNAME ns1
mail MX 10 mail
ns1 A 192.168.2.2
roxie CNAME ns1
www CNAME ns1
$TTL 21600 ; 6 hours
your-790nxtxuoe A 192.168.2.139
--/etc/resolv.conf
search blkdiamonds.lan
domain blkdiamonds.lan
nameserver 127.0.0.1
--netstat -pan output
tcp 0 0 192.168.2.2:53 0.0.0.0:* LISTEN
1879/named
tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN
1879/named
tcp 0 0 127.0.0.1:953 0.0.0.0:* LISTEN
1879/named
udp 0 0 0.0.0.0:32769 0.0.0.0:*
1879/named
udp 0 0 192.168.2.2:53 0.0.0.0:*
1879/named
udp 0 0 127.0.0.1:53 0.0.0.0:*
1879/named
udp 0 0 :::32770 :::*
1879/named
unix 2 [ ] DGRAM 2844 1879/named
--dig output
; <<>> DiG 9.2.3 <<>> -x 127.0.0.1 ptr
;; global options: printcmd
;; connection timed out; no servers could be reached
; <<>> DiG 9.2.3 <<>> . ns A.ROOT-SERVERS.NET
;; global options: printcmd
;; connection timed out; no servers could be reached
;; connection timed out; no servers could be reached
Thanks Benus
- Next message: Tauno Voipio: "Re: LAN configuration - Debian Sarge"
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