Re: Failing to construct a 'set' for TCP Flag filtering.

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On 02/09/2020 18:51, Pablo Neira Ayuso wrote:
On Wed, Sep 02, 2020 at 05:44:11PM +0100, Chris Hall wrote:
>> .... issue with 'add set ip MAIN tcp_good_flags...'
Indeed, nothing seems to work until I 'flush ruleset' again !

Am I asking for the impossible here ?

It's a bug, I'll apply this patch to git.

Ah.  I'm impressed that it's quickly fixable...

...but my Fedora appears to be 9 months behind on nftables v0.9.3, so I guess I have a bit of a wait :-(

I tried building nftables, but ./configure says:

  Package 'libnftnl' has version '1.1.3', required version is '>= 1.1.7'

I tried building and installing libnftnl, which created '/usr/local/lib/libnftnl.so.11.3.0'. But that does not seem to satisfy the ./configure for nftables ?

I guess what I need to do is build (on my development machine) an .rpm to install on the firewall... but I'm not getting far.

Thanks,

Chris





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