netfilter: nft_tproxy: restrict support to TCP and UDP transport protocols
[ Upstream commit 52f0f4e1 ] Add unfront check for TCP and UDP packets before performing further processing. Fixes: 4ed8eb65 ("netfilter: nf_tables: Add native tproxy support") Signed-off-by:Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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