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doc:appunti:linux:sa:nf_conntrack_expect [2025/01/10 14:56] – [Shorewall and helpers] niccolodoc:appunti:linux:sa:nf_conntrack_expect [2025/03/14 10:05] (current) – [Shorewall and helpers] niccolo
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 In this case the helper is instantiated into the raw table in both PREROUTING and OUTPUT chains. In this case the helper is instantiated into the raw table in both PREROUTING and OUTPUT chains.
 +
 +The default **Debian 12 Bookworm** configuration for Shorewall provides a **conntrack** file where helpers are enabled only if the Shorewall **AUTOHELPERS** option is enabled (in ''shorewall.conf'') and if the **CT_TARGET** iptables/netfilter capability is available (verify the output of ''shorewall show capabilities'').
 +
 +==== Shorewall upgrade from Debian 11 to 12 ====
 +
 +In Debian, upgrading to **Shorewall 5.2.8** as per upgrade from **Debian 11 Bullseye** to **Debian 12 Bookworm**, connection tracking protocol helpers are no longer globally enabled by default; use **shorewall-conntrack(5)** or **shorewall-rules(5)** to enable them as appropriate where they are required.
 +
 +Setting **AUTOHELPERS** to 'Yes' in shorewall.conf restores the previous behavior.
  
 ===== Web references ===== ===== Web references =====
doc/appunti/linux/sa/nf_conntrack_expect.1736517405.txt.gz · Last modified: 2025/01/10 14:56 by niccolo