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About iptables output
This is a discussion on About iptables output within the Networking, Firewalls and Security forums, part of the Mastering Servers category; Hi folks, Ubuntu 7.04 server amd64 I have a firewall script running on /etc/init.d/rc.local Performed following steps. $ sudo cp ...
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09-30-2007, 08:30 AM
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About iptables output
Hi folks,
Ubuntu 7.04 server amd64 I have a firewall script running on /etc/init.d/rc.local Performed following steps. $ sudo cp -p /etc/init.d/rc.local /etc/network/if-up.d/iptables.start $ sudo chmod 755 /etc/network/if-up.d/iptables.start $ sudo reboot to reboot the server $ sudo iptables -nvL Code:
Chain INPUT (policy ACCEPT 947 packets, 936K bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT 0 -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx state RELATED,ESTABLISHED
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:22
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:8222
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:8333
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:902
0 0 REJECT 0 -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx reject-with icmp-port-unreachable
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 810 packets, 163K bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT 0 -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 state RELATED,ESTABLISHED
0 0 ACCEPT udp -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 udp dpt:53
0 0 REJECT 0 -- * * 127.0.0.1 0.0.0.0/0 reject-with icmp-port-unreachable
0 0 REJECT 0 -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 reject-with icmp-port-unreachable
$ sudo /etc/init.d/rc.local stop $ sudo /etc/init.d/rc.local start Code:
* Running local boot scripts (/etc/rc.local) ...done. Code:
Chain INPUT (policy ACCEPT 955 packets, 936K bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT 0 -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx state RELATED,ESTABLISHED
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:22
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:8222
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:8333
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:902
0 0 REJECT 0 -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx reject-with icmp-port-unreachable
0 0 ACCEPT 0 -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx state RELATED,ESTABLISHED
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:22
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:8222
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:8333
0 0 ACCEPT tcp -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx tcp dpt:902
0 0 REJECT 0 -- * * 0.0.0.0/0 xxx.xxx.xxx.xxx reject-with icmp-port-unreachable
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 817 packets, 163K bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT 0 -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 state RELATED,ESTABLISHED
0 0 ACCEPT udp -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 udp dpt:53
0 0 REJECT 0 -- * * 127.0.0.1 0.0.0.0/0 reject-with icmp-port-unreachable
0 0 REJECT 0 -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 reject-with icmp-port-unreachable
0 0 ACCEPT 0 -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 state RELATED,ESTABLISHED
0 0 ACCEPT udp -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 udp dpt:53
0 0 REJECT 0 -- * * 127.0.0.1 0.0.0.0/0 reject-with icmp-port-unreachable
0 0 REJECT 0 -- * * xxx.xxx.xxx.xxx 0.0.0.0/0 reject-with icmp-port-unreachable
Any advice. TIA B.R. satimis 
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