[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-154) Update docs to include basic iptables rules to allow mod_cluster multicast traffic

[Michal Karm Babacek (JIRA)]

     [ https://issues.jboss.org/browse/MODCLUSTER-154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michal Karm Babacek closed MODCLUSTER-154.
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    Resolution: Done


Done in prod docs.

> Update docs to include basic iptables rules to allow mod_cluster multicast traffic
> ----------------------------------------------------------------------------------
>
>                 Key: MODCLUSTER-154
>                 URL: https://issues.jboss.org/browse/MODCLUSTER-154
>             Project: mod_cluster
>          Issue Type: Task
>    Affects Versions: 1.0.3.GA, 1.1.0.CR1
>            Reporter: Samuel Mendenhall
>            Assignee: Jean-Frederic Clere
>            Priority: Minor
>             Fix For: 1.0.4.GA
>
>
> By default RHEL/Fedora iptables rules blocks multicast traffic.  At least on a single JBoss node with Apache and JBoss on the same machine the following iptables rule allows multicast traffic.  If this rule isn't in place http://localhost/mod_cluster-manager will not show any nodes as multicast is blocked and Apache<->JBoss won't communicate
> /sbin/iptables -I INPUT 5 -p udp -d 224.0.1.0/24 -j ACCEPT
> /etc/init.d/iptables save
> It may also be helpful to note the iptables rules when running in a cluster also as seen here: http://www.redhat.com/docs/en-US/JBoss_Enterprise_Application_Platform/5.0.1/html/Seam_Reference_Guide/ClusteringAndEJBPassivation.html#clustering.deployment



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