Talk:Simple ruleset for a server

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Ping flood from single IP address not rate-limited by this ruleset

As reported in the netfilter mailing list, if the ping rules in inbound_ipv4 and inbound_ipv6 are uncommented, the ct accept rule in the inbound chain accepts all pings from a single IP address, regardless of the rate limit in the ping rules. If ping floods from a single IP address are of concern in your installation, you will need to modify this ruleset. One way to do so is suggested in the linked mailing list thread.