Suddenly, I am not able to resolve hproxy.iitm.ac.in:3128 .
masatran@masatran:~$ sudo /etc/init.d/cntlm stop
Stopping CNTLM Authentication Proxy: cntlm.
masatran@masatran:~$ sudo /usr/sbin/cntlm -v
Default config file opened successfully
cntlm: Proxy listening on 127.0.0.1:8080
cntlm: Resolving proxy hproxy.iitm.ac.in...
cntlm: Cannot resolve proxy hproxy.iitm.ac.in:3128, discarding.
cntlm: Parent proxy address missing.
Exitting with error. Check daemon logs or run with -v.
masatran@masatran:~$ cat /etc/host.conf
multi on
masatran@masatran:~$ cat /etc/resolv.conf
search iitm.ac.in
nameserver 10.91.2.11
nameserver 10.91.2.12
masatran@masatran:~$ cat /etc/hosts
127.0.0.1 localhost masatran
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts