cluster / dns slave

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#1 Sat, 10/12/2019 - 06:38

cluster / dns slave

Hello to all, I have a problem that has been beating my head for a few days and I can't solve it despite having read many forums. I installed virtualmin and wanted to create a dns cluster. I set everything on the first one and all the cluster and slave dns work perfectly. the second machine is on aws .... I can't configure the cluster, always error "Failed to connect to Failed to connect to Connection refused" if I try to add it from webmin server index. on my fire wall I opened the doors 10000-10014 on aws I tried to open them all on tcp and udp + disable any type of software firewall on the machine. I looked for the configuration on ubuntu / centos and always opened the same error. on the contrary if I add one of the other servers from the server on aws it works What can I check? thanks

Fri, 11/01/2019 - 18:33

I might be wrong on my method but I use the IP of the machine when adding cluster (not dns name, public IP if they are in different data centers) - check to make sure the webmin user on the slave machine has RPC enabled

Sun, 11/10/2019 - 06:42

hi meabert in the end I discovered .. on both machines I installed csf and on one it blocked the communication and on the other not so I didn't think to verify this right away. But the problem was that, I had to insert the server ip on csf.allow on aws. thanks a lot

Michele Negrini

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