Summary page of the Netfilter related resources
- iptables 101 and FAQ to get started quickly
- iptables tutorial from frozentux
- flowgraph of the packets in netfilter as png or svg
- Managing large lists of IPs,subnets, protocols or ports in iptables using ipset
- Dynamically updating ipsets from DNS records
- Periodically updating a blocklist from an IP using Python and ipset
- words of wisdom regarding iptables
- sample iptables rule sets for IPv4 and IPv6
- Things You Should Know About Netfilter
- about asking questions the smart way
- What have you tried?
- Why automatic conntrack helper assignment is dangerous
- IProute2 cheat sheet
- nftables wiki
No, nftables is not production ready.