Jose Luis Beti wrote: > Hi everybody, > I'm new in the list, so I apologize if this question has been answered > before. > > Anyone could explain me how to configure IPTABLES to allow working > right Redhat Cluster Suite RHEL4 + GFS? > What ports and protocols (tcp, udp) should I configure? > I've been searching through the archives and this question pops up now and again, but I can't find any answers except some old ones back in 2004 when similar questions wer answered in a bunch of separate mails. But those answers were related to RHEL3 and from what I can see, some things have changed This was the answer back then: "Gulm uses the following by default: 40040 core 40042 ltpx 41040 lt000 if you set lt_partitions to >1 then 41041 lt001 (and up to what ever you set lt_partitions to.)" "CCS is 50006 and 50005" "the gnbd server uses 14243" "34001 - 34004 for clumanager" "Also 1228 / 1229 for broadcast / multicast heartbeating" >From the output from netstat, this is the listening ports I can see on my CentOS4-setup : Unknown processes ($NODENAME is the IP of the cluster node, and $BROADCAST is the broadcast address of the cluster node's network): TCP $NODENAME:21064 UDP $NODENAME:6809 UDP $BROADCAST:6809 clurgmgrd: TCP *:41966 TCP *:41968 TCP *:41967 TCP *:41969 ccsd: TCP localhost:50006 UDP *:50007 TCP *:50008 TCP *:50009 Also, I can see a active tcp connection between $nodeA:21064<->$nodeB:32774 and $nodeB:21064<->$nodeA:32773 -- Roger Håkansson -- Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
