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docs: add a synopsis upgrade doc for 52 (backport #23097) (#23258)

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Co-authored-by: Marko <marko@baricevic.me>
Co-authored-by: Julien Robert <julien@rbrt.fr>
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2025-01-08 15:10:13 +01:00
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co-authored by Marko Julien Robert
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docs/user/run-node/06-run-production.md
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@@ -48,7 +48,7 @@ In the past, validators [have had issues](https://github.com/cosmos/cosmos-sdk/i
### Firewall
Nodes should not have all ports open to the public, this is a simple way to get DDOS'd. Secondly it is recommended by [CometBFT](github.com/cometbft/cometbft) to never expose ports that are not required to operate a node.
Nodes should not have all ports open to the public, this is a simple way to get DDOS'd. Secondly it is recommended by [CometBFT](https://github.com/cometbft/cometbft) to never expose ports that are not required to operate a node.
When setting up a firewall there are a few ports that can be open when operating a Cosmos SDK node. There is the CometBFT json-RPC, prometheus, p2p, remote signer and Cosmos SDK GRPC and REST. If the node is being operated as a node that does not offer endpoints to be used for submission or querying then a max of three endpoints are needed.