How to Disable the Firewall on Linux
Contents
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1. Verify iptables status
2. Stop the iptables service
3. Re-verify iptables status
4. Stop the iptables service from starting when you restart the server
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[root@rac2 ~]# service iptables status
Table: filter
Chain INPUT (policy ACCEPT)
num target prot opt source destination
1 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
2 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0
3 ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
4 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:22
5 REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited
Chain FORWARD (policy ACCEPT)
num target prot opt source destination
1 REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited
Chain OUTPUT (policy ACCEPT)
num target prot opt source destination
[root@rac2 ~]#
[root@rac2 ~]# service iptables stop
iptables: Setting chains to policy ACCEPT: filter [ OK ]
iptables: Flushing firewall rules: [ OK ]
iptables: Unloading modules: [ OK ]
[root@rac2 ~]#
[root@rac2 ~]# service iptables status
iptables: Firewall is not running.
[root@rac2 ~]#
4. Stop the iptables service from starting when you restart the server
[root@rac2 ~]# chkconfig iptables off
[root@rac2 ~]#
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Thank you,
Rajasekhar Amudala
Email: br8dba@gmail.com