Dear Friends,
First i need to thanks for all friends because we are sharing key points in linux
NOTE: Requesting for all iam in new in linux please help me
Q. Iam using Cent OS 5.4 Final in my system already i configured squid proxy server and its working fine proxy server IP : 192.168.2.2
Now i want to configure DNS and DHCP in the same system. I configured DNS server like this
/var/named/chroot/etc/named.conf file look like this
*************************************************************************************
//
// named.conf for Red Hat caching-nameserver
//
options {
directory "/var/named";
dump-file "/var/named/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
forwarders {
218.248.240.23; 218.248.240.134; 218.248.240.180; //isp dns ip's
};
/*
* If there is a firewall between you and nameservers you want
* to talk to, you might need to uncomment the query-source
* directive below. Previous versions of BIND always asked
* questions using port 53, but BIND 8.1 uses an unprivileged
* port by default.
*/
//query-source address * port 53;
};
//
// a caching only nameserver config
controls {
inet 127.0.0.1 allow { localhost; } keys { rndckey; };
};
zone "." IN {
type hint;
file "named.ca";
};
zone "localdomain" IN {
type master;
file "localdomain.zone";
allow-update { none; };
};
zone "localhost" IN {
type master;
file "localhost.zone";
allow-update { none; };
};
zone "0.0.127.in-addr.arpa" IN {
type master;
file "named.local";
allow-update { none; };
};
zone "nomus.com" {
type master;
file "nomus.forward";
allow-update { none; };
};
zone "2.168.192.in-addr.arpa" {
type master;
file "nomus.reverse";
allow-update { none; };
};
//nomus.com is my domain name
//nomus.forward is forward lookup zone file
//nomus.reverse is reverse lookup zone file
//Zones file path is " /var/named/chroot/var/named/
**************************************************************************
Forward lookup zone file (nomus.forward) look like this
;zone file for nomus.forward
$TTL 86400
@ IN SOA Firewall.nomus.com. root.nomus.com. (
19990811 ; Serial number
3600 ; 1 hour refresh
300 ; 5 minutes retry
172800 ; 2 days expiry
43200 ) ; 12 hours minimum
IN NS Firewall.nomus.com.
Firewall.nomus.com IN A 192.168.2.2
*************************************************************************************
Reverse lookup zone file (nomus.reverse) is look like this
;Zone file for nomus.reverse
$TTL 86400
@ IN SOA Firewall.nomus.com. root.nomus.com. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS Firewall.nomus.com.
2 IN PTR Firewall.nomus.com.
*************************************************************************
/etc/resolve.conf flie look like this
; generated by /sbin/dhclient-script
search nomus.com
nameserver 192.168.2.2
****************************************************************
MY PROBLAMS
When iam trying to ping google.com from client system it showing "Unknownhost" but internet is working. At the same time pinging with ip its working.
