05:34:22@jindal # vi /etc/network/interfaces
Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

Xlib: connection to ":0.0" refused by server
Xlib: No protocol specified

05:51:32@jindal # ifdown eth0
05:51:36@jindal # ifup eth0



05:51:39@jindal # iptables -L
Chain INPUT (policy DROP)
target     prot opt source               destination
ACCEPT     0    --  anywhere             anywhere
ACCEPT     0    --  10.9.1.187           10.9.1.255
ACCEPT     0    --  172.16.38.1          172.16.38.255
ACCEPT     0    --  192.168.202.1        192.168.202.255
ACCEPT     0    --  192.168.97.1         192.168.97.255
logaborted  tcp  --  anywhere             anywhere            state RELATED,ESTABLISHED tcp flags:RST/RST
ACCEPT     0    --  anywhere             anywhere            state RELATED,ESTABLISHED
ACCEPT     icmp --  anywhere             anywhere            icmp destination-unreachable
ACCEPT     icmp --  anywhere             anywhere            icmp time-exceeded
ACCEPT     icmp --  anywhere             anywhere            icmp parameter-problem
nicfilt    0    --  anywhere             anywhere
srcfilt    0    --  anywhere             anywhere

Chain FORWARD (policy DROP)
target     prot opt source               destination
ACCEPT     0    --  anywhere             anywhere            state RELATED,ESTABLISHED
ACCEPT     icmp --  anywhere             anywhere            icmp destination-unreachable
ACCEPT     icmp --  anywhere             anywhere            icmp time-exceeded
ACCEPT     icmp --  anywhere             anywhere            icmp parameter-problem
srcfilt    0    --  anywhere             anywhere

Chain OUTPUT (policy DROP)
target     prot opt source               destination
ACCEPT     0    --  anywhere             anywhere
ACCEPT     0    --  anywhere             anywhere            state RELATED,ESTABLISHED
ACCEPT     icmp --  anywhere             anywhere            icmp destination-unreachable
ACCEPT     icmp --  anywhere             anywhere            icmp time-exceeded
ACCEPT     icmp --  anywhere             anywhere            icmp parameter-problem
s1         0    --  anywhere             anywhere

Chain f0to1 (9 references)
target     prot opt source               destination
logdrop    0    --  anywhere             anywhere

Chain f1to0 (1 references)
target     prot opt source               destination
ACCEPT     udp  --  anywhere             anywhere            udp dpts:33434:33600
logdrop    0    --  anywhere             anywhere

Chain logaborted (1 references)
target     prot opt source               destination
logaborted2  0    --  anywhere             anywhere            limit: avg 1/sec burst 10
LOG        0    --  anywhere             anywhere            limit: avg 2/min burst 1 LOG level warning prefix `LIMITED '

Chain logaborted2 (1 references)
target     prot opt source               destination
LOG        0    --  anywhere             anywhere            LOG level warning tcp-sequence tcp-options ip-options prefix `ABORTED '
ACCEPT     0    --  anywhere             anywhere            state RELATED,ESTABLISHED

Chain logdrop (4 references)
target     prot opt source               destination
logdrop2   0    --  anywhere             anywhere

Chain logdrop2 (1 references)
target     prot opt source               destination
DROP       0    --  anywhere             anywhere

Chain logreject (0 references)
target     prot opt source               destination
logreject2  0    --  anywhere             anywhere

Chain logreject2 (1 references)
target     prot opt source               destination
REJECT     tcp  --  anywhere             anywhere            reject-with tcp-reset
REJECT     udp  --  anywhere             anywhere            reject-with icmp-port-unreachable
DROP       0    --  anywhere             anywhere

Chain nicfilt (1 references)
target     prot opt source               destination
RETURN     0    --  anywhere             anywhere
RETURN     0    --  anywhere             anywhere
RETURN     0    --  anywhere             anywhere
RETURN     0    --  anywhere             anywhere
RETURN     0    --  anywhere             anywhere
RETURN     0    --  anywhere             anywhere
RETURN     0    --  anywhere             anywhere
RETURN     0    --  anywhere             anywhere
RETURN     0    --  anywhere             anywhere
logdrop    0    --  anywhere             anywhere

Chain s0 (1 references)
target     prot opt source               destination
f0to1      0    --  anywhere             10.9.1.187
f0to1      0    --  anywhere             10.9.1.255
f0to1      0    --  anywhere             localhost.localdomain
f0to1      0    --  anywhere             172.16.38.1
f0to1      0    --  anywhere             172.16.38.255
f0to1      0    --  anywhere             192.168.202.1
f0to1      0    --  anywhere             192.168.202.255
f0to1      0    --  anywhere             192.168.97.1
f0to1      0    --  anywhere             192.168.97.255
logdrop    0    --  anywhere             anywhere

Chain s1 (1 references)
target     prot opt source               destination
f1to0      0    --  anywhere             anywhere

Chain srcfilt (2 references)
target     prot opt source               destination
s0         0    --  anywhere             anywhere







05:51:43@jindal # cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback
address 127.0.0.1
netmask 255.0.0.0

# The primary network interface
auto eth0
iface eth0 inet static
#       pre-up /etc/myfirewall.sh stop
        address 10.9.1.187
        netmask 255.255.255.0
        broadcast 10.9.1.255
        gateway 10.9.1.1
#       post-down /etc/myfirewall.sh stop


05:51:55@jindal #