[Bug 1425] New: th not accepted in snat with multiple ip protocols

bugzilla-daemon at netfilter.org bugzilla-daemon at netfilter.org
Tue Apr 28 08:05:33 CEST 2020


https://bugzilla.netfilter.org/show_bug.cgi?id=1425

            Bug ID: 1425
           Summary: th not accepted in snat with multiple ip protocols
           Product: nftables
           Version: unspecified
          Hardware: x86_64
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: nft
          Assignee: pablo at netfilter.org
          Reporter: fasnacht at protonmail.ch

Hello,

For tracking, here's a bug I'm experiencing, with the following, in an inet
table:

map nat-int-ext-port-v4 {
    type ipv4_addr . inet_service . inet_proto : inet_service
}

[...]

ip protocol {udp, tcp} snat ip to $host_ipv4_address : ip saddr . th sport . ip
protocol map @nat-int-ext-port-v4

I get: 

Error: transport protocol mapping is only valid after transport protocol match

It works fine with restricting ip protocol to one single protocol.

Best,
Laurent

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