[Bug 1358] Error when atomically replacing rules with symbolic variables

bugzilla-daemon at netfilter.org bugzilla-daemon at netfilter.org
Mon Oct 7 11:18:29 CEST 2019


https://bugzilla.netfilter.org/show_bug.cgi?id=1358

gdouezangrard at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #3 from gdouezangrard at gmail.com ---
1. I don't need to test your example to know that it doesn't work. The fixed
version is the following (I removed the "inet filter input" prefix):

  #!/sbin/nft -f

  define ifs = { lo }

  table inet filter {
    chain input {
      type filter hook input priority 0; policy drop;
      iifname $ifs accept
    }
  }

2. It is perfectly allowed to "put rules outside of the brackets". It is
especially useful when rules are generated automatically and imported in the
main configuration file that defines the tables / chains. It's just a different
syntax for the same thing. Moreover, I already explained in the main report
that it worked properly before, and it worked successfully with nftables v0.9.1
*except* when doing atomic rule replacement.

3. Finally, the issue was solved with the release of nftables v0.9.2.

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