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netfilter: add nf_conntrack_netbios_ns to kmod-nf-nathelper-extra

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NetBIOS name service requests are sent as broadcast messages from an
unprivileged port and responded to with unicast messages to the
same port. This make them hard to firewall properly because connection
tracking doesn't deal with broadcasts.

So let´s enable this in the kernel and add them to 'kmod-nf-nathelper-extra'.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
This commit is contained in:
Florian Eckert 2024-08-13 08:04:55 +02:00 committed by Hauke Mehrtens
parent cf6d52f45a
commit 0cfb81560e
1 changed files with 1 additions and 0 deletions
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include/netfilter.mk
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@ -207,6 +207,7 @@ $(eval $(call nf_add,NF_NATHELPER,CONFIG_NF_NAT_FTP, $(P_XT)nf_nat_ftp))
# nathelper-extra
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_BROADCAST, $(P_XT)nf_conntrack_broadcast))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_NETBIOS_NS, $(P_XT)nf_conntrack_netbios_ns))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_AMANDA, $(P_XT)nf_conntrack_amanda))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_NAT_AMANDA, $(P_XT)nf_nat_amanda))
$(eval $(call nf_add,NF_NATHELPER_EXTRA,CONFIG_NF_CONNTRACK_H323, $(P_XT)nf_conntrack_h323))