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02-28-2008, 05:52 AM
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 List of ports which should be opened for IPTABLES Hello All, Does anyone know a quick reference which details a list of ports which are used my various machine in the MYSQL cluster environment. We just installed the MYSQL cluster and have the IPTABLES shutdown as we are not sure which ports are being used by each of these machines. We want to keep the firewall on with a certain list of open ports. Any advice? Thanks, Abhishek.      |
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02-28-2008, 05:56 AM
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| Re: List of ports which should be opened for IPTABLES On Tue, 2007-02-27 at 10:59 -0500, Agarwal, Abhishek wrote: > Hello All, > > Does anyone know a quick reference which details a list of ports which are > used my various machine in the MYSQL cluster environment. > > We just installed the MYSQL cluster and have the IPTABLES shutdown as we are > not sure which ports are being used by each of these machines. We want to > keep the firewall on with a certain list of open ports. > > Any advice? Don't use a firewall for Cluster traffic. It just slows things down with added latency (really not what you want). We (ndb) gets the operating system to assign free ports to work on - so it's not predictable. The protocols that MySQL Cluster uses between the nodes are NOT secure and if you swamp that network with other traffic, performance will suffer (including the possibility of missing heartbeats). i.e. a whole world of bad. Run the cluster traffic on its own private network with no firewalls getting in the way. easiest and fastest way. -- Stewart Smith, Software Engineer MySQL AB, www.mysql.com Office: +14082136540 Ext: 6616 VoIP: 6616@sip.us.mysql.com Mobile: +61 4 3 8844 332 Jumpstart your cluster: http://www.mysql.com/consulting/packaged/cluster.html -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (GNU/Linux) iD8DBQBF6yQEKglWCUL+FDoRApuiAJ9mCFVGs+LnyTVnz2iyj8 STTpR5LQCeLOTv Fo3gAHWCO6DhmLWC6zCEixQ= =Hd7g -----END PGP SIGNATURE----- |
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