I am trying to get test ether on ropsten testnet, so I set coinbase address like


and started to mine from my node,


But someone changed the coinbase address of my node, after few days later, the address is


But I have to open my RPC end point to use for other team members. So is there any other way to prevent to change my node coinbase address??


1 Answer 1


In geth you can restrict IPs that can connect to your node with the command line parameter --netrestrict.

--netrestrict value   Restricts network communication to the given IP networks (CIDR masks)

If you want more complex filtering capabilities you can use a firewall in front of your node.

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