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Date:      Tue, 5 Jan 2021 21:48:55 +0200
From:      Dobri Dobrev <ddobrev85@gmail.com>
To:        Kristof Provost <kp@freebsd.org>
Cc:        freebsd-pf@freebsd.org
Subject:   Re: PF not keeping counters in a counters-defined table
Message-ID:  <CAJHkgnfgzci6SBaN5Z=Qp_AuzY=DU09Rb7et5yCqb8351FOjMw@mail.gmail.com>
In-Reply-To: <83031927-43B1-4B9F-981E-CD77620DE5E5@FreeBSD.org>
References:  <CAJHkgnf=0-PMPGRm0-K_rNoKO7w-RHTSVVnLuDNLM7o_G4=eAg@mail.gmail.com> <DFFD64A3-2B3D-42A5-BFF2-47D6542D6930@FreeBSD.org> <CAJHkgnfpYZD2qmMJjE=dQX8xnAGwb0e5mvCyc6Xz2JFD_N2JfQ@mail.gmail.com> <83031927-43B1-4B9F-981E-CD77620DE5E5@FreeBSD.org>

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Hopefully someone else will be able to help.

On Tue, Jan 5, 2021 at 9:42 PM Kristof Provost <kp@freebsd.org> wrote:

> On 5 Jan 2021, at 20:35, Dobri Dobrev wrote:
> > You are correct, Kristof.
> >
> > If I place the table in the rdr rule - it starts keeping counters,
> > however,
> > what is the point of having the ability to place a table in a
> > rdr-anchor
> > rule in the first place, if it won't be able to keep counters?
> >
> Tables are not just about counters. They=E2=80=99re about making a rule f=
ilter
> on a whole selection of addresses (or ranges).
> In this case you=E2=80=99re choosing to filter what traffic may go into t=
he
> anchor.
> Maybe consider not filtering on the rdr-anchor rule, but on the rdr rule
> in the anchor itself?
>
> > I'm doing the followi ng scenario:
> > table <xyztable> counters
> > table <othertable> persist
> >
> > rdr-anchor "ASDFGH" on igb0 proto tcp from <xyztable> to any port 123
> > no-rdr on igb0 from any to <othertable> port 123
> > rdr-anchor "ASDFGH" on igb0 proto tcp from any to any port 123
> >
> > load anchor ASDFGH from "/etc/ASDFGH-anchor"
> > # contents of /etc/ASDFGH-anchor:
> > # (tested separately)
> > # rdr on igb0 proto tcp from any to 192.168.0.1 port 123 ->
> > 192.168.0.1
> > port 124 # no counters
> > # rdr on igb0 proto tcp from <xyztable> to 192.168.0.1 port 123 ->
> > 192.168.0.1 port 124 # counters working
> >
> > So, in this case - how do I keep counters in the <xyztable> without
> > breaking the current "workflow"?
> > If IP 192.168.0.1 is not in <othertabe> and I have <xyztable> on all
> > rdr
> > rules @ the anchor - I won't ever be able to reach
> > 123->192.168.0.1:124
> >
> > Is there a way?
>
> I have no idea, and I=E2=80=99m not the best person to talk to about how =
to
> configure your firewall.
>
> Best regards,
> Kristof
>



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