Patrick McHardy 811927ccfe netfilter: nf_conntrack: restrict NAT helper invocation to IPv4
The NAT helpers currently only handle IPv4 packets correctly. Restrict
invocation of the helpers to IPv4 in preparation of IPv6 NAT.

Signed-off-by: Patrick McHardy <kaber@trash.net>
2012-08-30 03:00:12 +02:00
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