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what is the difference between NIS and DNS...?
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Answer Posted / satish aherkar
NIS:-- (network information service)
actually nis is developed by sun micro system in 1980 the main purpose of nis server is that centralization of user account it is used to stored user name,password,authenticaion
nis & ldap is work commonly purpose
it is also called as yellow page
packages:- ypserv,yptool,yppasswd,ypbind
main configuration file of nis is /var/yp/make
demon yppasswd,ypserv
service yppasswd,ypserv
it uses 717 port
dns:--it stand for domain name system
this server is used to convert hostane into ip address and ip hostname and viceversa..
it act as name resoulatio of ipaddress
their are two types of zones
it used by defaul udp port 53 but we can also used dns on tcp too
1)forwardlookup:- it is used to convert hostname to ip address
e.g satish.example.com
in aboves examples example.com is the domain
e.g satish.localhost.example.com
in aboves example localhost.example.com is the domain
configuration file /etc/named.conf in 4th version
/etc/named.cache-nameserver.conf
/etc/named.rfc1912.conf
zone file configuration /var/named/chroot/var/named
dns have following records
1)soa
2)A
3)cname
5)ptr
4)mx record
*********************End************************
| Is This Answer Correct ? | 14 Yes | 5 No |
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