Network address translation part 4 – Conntrack troubleshooting

This is the fourth post in a series about network address translation (NAT). The first article introduced how to use the iptables/nftables packet tracing feature to find the source of NAT-related connectivity problems. The second article introduced the “conntrack” command. The third article gave an introduction to the “conntrack” event framework. This article shows how to expose more information about …

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Network address translation part 3 – the conntrack event framework

This is the third post in a series about network address translation (NAT). The first article introduced how to use the iptables/nftables packet tracing feature to find the source of NAT-related connectivity problems. Part 2 introduced the “conntrack” command. This part gives an introduction to the “conntrack” event framework. Introduction NAT configured via iptables or nftables builds on top of …

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