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2 changes: 1 addition & 1 deletion networking/firewalls-and-subnetting.md
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# Firewalls and subnetting

A firewall is a security mechanism that monitors both incoming and outgoing network connections and can either accept or reject traffic based on a set of configurable rules. It is heavily recommended to have one configured to improve the security of your node/validator setup.
A firewall is a security mechanism that monitors both incoming and outgoing network connections and can either accept or reject traffic based on a set of configurable rules. It is strongly recommended to have one configured to improve the security of your node/validator setup.

There are two kinds of firewalls:

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