Verify Operating Port on IPtables

Verify IPtables service status

[root@paranoid ~]# service iptables
Usage: /etc/init.d/iptables {start|stop|restart|condrestart|status|panic|save}
[root@paranoid ~]# service iptables status Firewall is stopped.

Operating port status verification

[root@paranoid ~]# cat /etc/services | grep 3260
iscsi-target 3260/tcp # iSCSI port
iscsi-target 3260/udp # iSCSI port

OR

[root@paranoid ~]# lsof -i -n -P | grep 3260
fsiscsid 6011 root 4u IPv4 3121761 TCP *:3260 (LISTEN)

Adding IPtables firewall policy to Open port

# vi /etc/sysconfig/iptables
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 3260 -j ACCEPT

# service iptables restart @ # /etc/init.d/iptables restart