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[client] Use the prerouting chain to mark for masquerading to support older systems (#2808)

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This commit is contained in:
Viktor Liu
2024-11-07 12:37:04 +01:00
committed by GitHub
parent 3e88b7c56e
commit 509e184e10
8 changed files with 472 additions and 287 deletions
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4
client/firewall/nftables/acl_linux.go
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@@ -520,7 +520,7 @@ func (m *AclManager) addPreroutingRule(preroutingChain *nftables.Chain) {
},
&expr.Immediate{
Register: 1,
Data: binaryutil.NativeEndian.PutUint32(nbnet.PreroutingFwmark),
Data: binaryutil.NativeEndian.PutUint32(nbnet.PreroutingFwmarkRedirected),
},
&expr.Meta{
Key: expr.MetaKeyMARK,
@@ -543,7 +543,7 @@ func (m *AclManager) addFwmarkToForward(chainFwFilter *nftables.Chain) {
&expr.Cmp{
Op: expr.CmpOpEq,
Register: 1,
Data: binaryutil.NativeEndian.PutUint32(nbnet.PreroutingFwmark),
Data: binaryutil.NativeEndian.PutUint32(nbnet.PreroutingFwmarkRedirected),
},
&expr.Verdict{
Kind: expr.VerdictJump,