RSFalcon7 Asked: 2013-09-21 06:56:31 +0800 CST2013-09-21 06:56:31 +0800 CST 2013-09-21 06:56:31 +0800 CST How to open iptables ports inside a cluster? 772 How can I use iptables to open ports 21001-22000 in a cluster, allowing the worker nodes to communicate between them and with the front-end? The cluster is configured with CentOS 6.3, Rocks 6.1 and iptables 1.4.7. iptables 1 Answers Voted Best Answer Daniel Widrick 2013-09-21T07:12:54+08:002013-09-21T07:12:54+08:00 The following command run as root will do that: # iptables -A INPUT -p tcp --dport 21001:22000 -j ACCEPT Check the iptables(8) manpage for details.
The following command run as
rootwill do that:Check the
iptables(8)manpage for details.