Section: Netfilter and Policy Debugging

Show tracked connections

bash
bash
sudo conntrack -L
Explanation

Inspect conntrack table entries.

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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Related commands

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Delete a tracked flow
Remove conntrack state for a given flow.
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Reset iptables counters
Zero rule counters before testing packet paths.
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Trace nftables packet path
Monitor nftables trace events for debugging.
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Check IP forwarding
Inspect whether packet forwarding is enabled.
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Enable IP forwarding
Turn on IPv4 forwarding immediately.
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Show nftables rules
Display the active nftables ruleset.