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Netfilter usage

Nefilter configuration in my environment is managed via Ansible. This page is a quick reference for command line usage and other tips.


# show active netfilter rules
nft list ruleset


You can easily validate your rules using nmap:

# testing DHCP service is accessible
sudo nmap --script broadcast-dhcp-discover
linux/nftables.txt · Last modified: 2021-01-31 18:50 by gabriel