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authorzsdc <taras@vyos.io>2021-07-12 22:59:48 +0300
committerzsdc <taras@vyos.io>2021-07-17 22:36:39 +0300
commit22791e26f444766dc9f9e1729b72893208f58079 (patch)
treee412fd0e8247c3fc11b9f90d33646aafaf29247c /interface-definitions/policy.xml.in
parent83721c1ce672b76d40c710f38b0ab05c370a2191 (diff)
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VRF: T3655: proper connection tracking for VRFs
Currently, all VRFs share the same connection tracking table, which can lead to problems: - traffic leaks to a wrong VRF - improper NAT rules handling when multiple VRFs contain the same IP networks - stateful firewall rules issues The commit implements connection tracking zones support. Each VRF utilizes its own zone, so connections will never mix up. It also adds some restrictions to VRF names and assigned table numbers, because of nftables and conntrack requirements: - VRF name should always start from a letter (interfaces that start from numbers are not supported in nftables rules) - table number must be in the 100-65535 range because conntrack supports only 65535 zones
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